In order to delineate the kimberlite bodies, gravity and magnetic surveys were undertaken in the Panna Diamond Belt, Madhya Pradesh, in Central Indian Diamond Province. Type. Abstract and Figures. These rings make exceptionally unique wedding rings. Use them in commercial designs under lifetime, perpetual & worldwide rights. Now, a geologist has an even easier way to find diamonds—just look for a palm-like. In this chapter, the physical basis of reflectance spectroscopy and the major atomic processes involved in imprinting a spectral feature on the spectra of rocks and minerals in the VNIR–SWIR region are discussed along with their utility in the field of mineral exploration (Clark, 1999). Kimberlite has a unique shine that looks oily or waxy. It is the dominant rock of the upper part of the earth’s mantle. Loose (but highly fractured) pyrope crystals can be found in some areas. 8 million carats of diamonds as proven or probable reserves. Andrew Alden/Flickr. Left: Hypabyssal kimberlite from the Grizzly 3 kimberlite, Canada (field of view 7. Two feeders occur in FALC 140-141 and FALC 122. Search from Kimberlites stock photos, pictures and royalty-free images from iStock. Kimberlite to country rock contact dips are ~ 0–60°, most commonly 15–45°. Peridotite is the plutonic rock beneath the Earth's crust located in the upper part of the mantle. Geodes are spherical to subspherical rock structures with an internal cavity lined with mineral materials. Small (10s to 100s of m) and steep (>20°)Kimberlites are one of the rarest and most volumetrically insignificant igneous rocks, which are derived from deep-seated (>150 km) magmas that originate in the subcontinental lithospheric mantle (SCLM) or asthenosphere. All Treasure Hunting. If these lesser phenocrysts dominate and the rock is. Kimberlite is an ultramafic rock derived from the mantle. The first Kimberlites were described by Vanuxen in 1837 from Ludlowiville near Ithaca, New York state; however, the term Kimberlite was introduced by Lewis (1887) to describe the diamond-bearing, porphyritic mica peridotites of the Kimberley area of South Africa. The paper presents data on garnets from serpentinized peridotite xenoliths in the Nyurba and Botuoba kimberlite pipes of the Nakyn kimberlite field. g. Experiments at 7 GPa, 1300–1480 °C, 10–30 wt% CO 2 and 0. "Of the more than 6,000 known kimberlite pipes in the world, about 600 contain diamonds," the Science article said. Sphalerite. The studied phlogopites are phenocrystic in nature based on their textural characteristics (Table 1). The mineral tends to be dark in color, depending on the magma composition that formed it in the first place. Abstract. Find Kimberlite Rock stock photos and editorial news pictures from Getty Images. Kimberlite, a dark-coloured, heavy, often altered and brecciated (fragmented), intrusive igneous rock that contains diamonds in its rock matrix. or Best Offer. RF GRA9E7 – macro shooting of. 1. It’s also the main source of diamonds, and its unusual characteristics lend it to studies that help us learn. Amber Crystal. The term blue ground refers to unoxidized slate-blue or blue-green kimberlite that occurs below the superficial oxidized zone. The kimberlite rocks contain pyrope garnets which are a bit of an oddity in Pennsylvania and, even more of an oddity - Alexandrite-effect pyropes. Another volcanic rock is called kimberlite. 4. The Cretaceous Liqhobong kimberlite cluster comprises six known diamondiferous Group 1 kimberlite bodies: the Main Pipe (8. Based on the REE content and chondrite-normalized distribution. Massive outcrops, boulders, and loose rock are easy to collect. #3 is a stone that tested positive to be diamond when i used my new diamond detector. . Kimberlite is an igneous rock and is considered a rare variant of peridotite. k. Look at the texture of the rock. Originally discovered in Russia’s Ural Mountains in the 1830s, it’s now found in Sri Lanka, East Africa, and Brazil, but fine material is exceptionally rare and valuable. Kimberlite forms in vertical structures in the. Find Kimberlite Rock stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection. Puddingstone is the unofficial name given to quartz conglomerate. RF 2G5E89B – cut diamond on kimberlite rock, on isolated background, rare jewelry concept. Summary . Photo Search Photo Galleries Search by Color New Photos Today New Photos Yesterday Members' Photo Galleries Past. They form vertical pipelike structures that penetrate the. The research described in this paper provides information about the rockbursting potential of kimberlite. Pyroxene peridotite: From 40% to 90% olivine and less than 5% hornblende Kimberlites are volcanic eruptions that bring material from the depths where diamonds can form. Sifting through diamond exploration samples from Baffin Island, Canadian scientists have identified a new remnant of the North Atlantic craton—an ancient part of Earth's continental crust. 75 km east of Ammireddipalli village. diamond rock stock pictures, royalty-free photos & imagesJEWEL PASS NFT. Diamonds are brought to the surface from the mantle in a rare type of magma called kimberlite and erupted at a rare type of volcanic vent called a diatreme or pipe. It was worked as a commercial diamond mine by a succession of operators in the early 1900s but closed because the deposit was subeconomic. Hundreds of these eruptions that occurred over the past 200 million. C. Kimberlites. Karen V. It has a porphyritic texture, with large, often rounded crystals (phenocrysts) surrounded by a fine-grained matrix (groundmass). Select from premium Kimberlite Rock of the highest quality. kimberlite (HK) occupies the root zone at the base of the pipe. The ascent of kimberlite magma is considered to be fast relative to most other terrestrial magmas with estimates varying between ~1 to 10’s m s −1, corresponding to total average transit times of <10 h to ~2 days (McGetchin et al. Kimberlite is a bluish rock that diamond miners look for when seeking out new diamond deposits. Download Diamond Kimberlite stock photos. Recent studies have demonstrated that these two groups are mineralogically different and petrogenetically separate rock types. See more ideas about rocks and minerals, rocks and gems, gems and minerals. Lead author of the study Alex Wolfe of the. The Koidu kimberlite dyke fracture systems appear to be typical of dyke-associated fracture systems observed with other mafic intrusive rocks. diamond mine. Kimberlite diamonds make beautiful jewelry such as rings, pendants, and earrings. Enchanted Rock is a pink granite mountain located in the Llano Uplift about 17 miles (27 km) north of Fredericksburg, Texas and 24 miles (39 km) south of Llano, Texas, United States. g. Kimberlite Stock Photos and Images. 9IKC-A-00241, 2008 Geology and Exploration History of Kimberlites and Related Rocks in South Australia Steven A. Browse Getty Images' premium collection of high-quality, authentic Kimberlite Rock stock photos, royalty-free images, and pictures. Ravi C. #3. Samples of say 10 kg are mixed with 10 l of HCl acid, diluted with 4 l of water in a large plastic container, agitated for several hours, diluted again with water and allowed to settle overnight. Prairies kimberlite pipe shapes. Free or royalty-free photos and images. Example. 2 ). S. Aluminium oxide is also used in tooth whitening and micro-dermabrasion. Browse Getty Images' premium collection of high-quality,. RM 2DF780P – Kimberlite is an igneous rock coming from the earth's mantle, is the main diamonds deposit. It is one of the main rock types found in the Earth’s mantle, which is the layer of the Earth that lies below the crust. The occurrence of diamonds in Kimberlite rock is about 10–12 carats per 100 tonnes of kimberlite rock. Magma existing in Kimberlite pipes pushes diamonds and other stones rapidly (a few hours) through the earth’s crust and mantle. The mineral lining the cavity is often a scintillating. Glacial erratics of this and similar rocks are found scattered throughout the Great Lakes region of the United States. The reconstructed locations of kimberlites. Diamonds, Kimberlites, and Lamprophyres. Select from premium Kimberlite Rock of the highest quality. Kimberlite is a gas rich potassic ultramafic igneous rock. Later pulses of kimberlite magma entrain wall-rock xenoliths and xenocrysts, including olivine, and crystallize olivine rims over cores of variable composition (both high-Mg and low-Mg). This rock was originally termed kimberlite by early workers simply because it contained diamonds. Gold Nugget. Today, this Diamond-Bearing Rock is used for clarity, vitality, grounding, karmic healing, and transformation. Use them in commercial designs under lifetime, perpetual & worldwide rights. Find Kimberlite Rock stock photos and editorial news pictures from Getty Images. Rare genuine Kimberlite 100 Carat Lot Diamond ore mined In Colorado paydirt. Most diamonds have been transported to Earth’s surface from depths between ~120 km and ~660 km by volatile-rich magmas called kimberlites. Gahcho Kué is Canada's sixth diamond mine. Find Kimberlite Rock stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection. Diamonds that have been removed from the primary source (Kimberlite) and deposited on a new environment such as a riverbed or ocean floor are referred to as alluvial diamonds. Kimberlite, a dark-coloured, heavy, often altered and brecciated (fragmented), intrusive igneous rock that contains diamonds in its rock matrix. The kimberlite matrix is made up of clay minerals, presented in blue, purple and yellowish-white colors. Commonly highly serpentinized and porphyritic, it occurs in. Containing more than 3 or 4 percent chromium, alexandrite-effect pyropes take on different colors in different light sources (The name "alexandrite" is derived from a gem variety of chrysoberyl. Kimberlite is a type of lava that comes from depths as great as 300-350 km. In general, olivine occurring in a groundmass of calcite, perovskite, apatite, spinel and other phases form. One of those old mines, which is called The Big Hole or Kimberley Mine, has been turned into a. Find Kimberlite Rock stock photos and editorial news pictures from Getty Images. When enough melt has formed, it rises fast and blasts. Kimberlite. More importantly, Haggerty noticed a plant that seemed to grow only in the soil above the pipe. Select from premium Kimberlite Rock of the highest quality. No Comments. 4 G); E — a vein-like kimberlite in K-1. This involves drilling boreholes into the ground to collect rock samples for analysis. The compositions (mineralogy, major- and trace-element chemistry of rocks and minerals, and Sr-Nd-Hf isotope systematics) of two kimberlite bodies, the Obnazhennaya pipe and the Velikan dyke from. The Rights Holder for. 3). Shirey. Typically Diamonds are in green Kimberlite. Cooper1,2 & Brian J. Cinder cone. Kimberlite contains no leucite. Thread starter. Although the high K 2 O contents of some Dachine rocks might be. Diamonds from the Deep Gems & Gemology, Spring 2020, Vol. Images of kimberlite textures. Ma) kimberlite corridor, with an extent of >4000 km (Figure 1). Look at your rock under different lights, like sunlight or a lamp, and compare it to pictures of real kimberlite or, even better, a real piece of kimberlite if you have one. 5 18 . 4. Kimberlite is a gas-rich, potassic ultramafic igneous rock that contains the minerals. A version of this story appeared in Science, Vol 381, Issue 6656. Find kimberlite, and you’ve got a much. Free shipping on many items | Browse your favorite brands | affordable prices. A polymict megacryst-rich ultramafic volcanic breccia, consisting of major amounts of serpentinized olivine, with variable amounts of phlogopite, carbonate, garnet (e. The bedrock kimberlite source for the diamonds is unknown but has been presumed to be in northern Canada, the only area north of Wisconsin previously known to contain. The magma may cool and harden before reaching the surface or erupt onto the surface. The fakes might not be able to copy that. Use them in commercial designs under lifetime, perpetual & worldwide rights. It largely consists of tiny feldspar and pyroxene crystals (like diopside and enstatite). Do all kimberlites contain diamonds? Kimberlite pipes were. Kimberlite is a type of igneous rock that is formed deep within the earth. 53 g/cm3. Use them. Select Rock List Type. Picture of diamond, beautiful sparkling shining round shape emerald image with reflective surface. It has a porphyritic texture, with large, often rounded crystals. 9 carats. Many ultramafic rocks – including those in kimberlite nodules – have been altered so much that we cannot determine their. The stone's unique hardness is a result of the densely concentrated nature of the carbon chains. Extremely rare in the state, igneous rocks form from hot molten magma that pushes up toward the surface from Earth's interior then cools. Its mineral content usually includes olivine, phlogopite, pyroxene, and garnet, accompanied by a variety of trace minerals. with a rock type called kimberlite (a potassic igneous rock), thought to erupt from great depths extremely rapidly, possibly because the magma contained high concentrations of CO. Coherent describes any intrusive or extrusive igneous rock (e. Some important physical properties of the rock samples were. In addition, late evolution of kimberlite melts during. 1. October 2, 2023 No Comments Kimberlite is also referred to as blue ground and yellow ground. Kimberlite in the Mengyin area serves as an excellent medium for studying the characteristics and evolutionary processes of the Paleozoic mantle. Typically attached to a 14-karat gold band, you can get. That area is known for kimberlite and it is more bluish in color like some of your photos show and especially the first one. By matching the response of modelled kimberlite pipe with the magnetic anomalies, four pipe-like targets. Single bodies appear to have. Typically attached to a 14-karat gold band, you can get multiple natural kimberlite diamonds in a ring formation. Crystallization temperatures calculated at an assumed pressure of 1 GPa are in the range of 1037–1395. Kimberlite is a plutonic igneous rock famous as the host rock for diamonds. Two locations in the United States have been worked as commercial diamond mines. It got its name from the South African town Kimberley, where a massive 83. The anomalous post-200-Myr-old kimberlite source is marked by a sudden departure from the main primitive-kimberlite evolutionary trend, followed by a relatively rapid track back towards this array. The Sm-Nd isochron age calculated with selected eclogitic garnets yielded an age of 291. The property is anticipated to support mining until at least 2028. The eastern Eyre Peninsula contains one kimberlite pipe (Cleve 01) and two kimberlite dykes (Cleve 02 – 03) (Wyatt et al. Download Kimberlite stock photos. Browse 189 professional kimberlite rock stock photos, images & pictures available royalty-free. In the time that has elapsed ive. 9 ± 5. e. Smit and Steven B. In Kansas, kimberlites or kimberlite pipes (so-called because of their pipelike, three-dimensional shape) occur in a restricted, northeast-trending belt in Riley and Marshall counties (fig. Patel S. 2” east longitude). RF 2M3W8MR – Uncut diamond. The specific gravity of Kimberlite is 2. Dacite is a fine-grained, extrusive igneous rock that is usually light in color. Diamonds crystallize in the mantle well below the crust but they are carried up into the crust by the rising kimberlitic magma. 4 Ma (2 σ), which represents the cooling age after the proto-kimberlite melt metasomatism. Phase 6/7 Material . Therefore, we propose that the lithospheric mantle. 3). Some kimberlite deposits host diamonds in economic quantities, which makes them of particular interest to the commercial mining industry. This is a slice of a xenolith nodule (“xeno” = foreign, and “lith” = rock) from a kimberlite pipe in Kimberley, central South Africa. e. Browse Getty Images' premium collection of high-quality, authentic Anglo American Mine. Diamonds that have been removed from the primary source (Kimberlite) and deposited on a new environment such as a riverbed or ocean floor are referred to as. Diamonds Are Not Forever! Diamond Dissolution. The area has moderate relief, with soils developed ov erWyoming State Geological SurveyA comparative study of kimberlite rocks exposed in the Anantapur and Mahbubnagar districts and the reinterpretation of published data revealed considerable differences between kimberlites of. The Prairies kimberlites are large (up to 250 ha), relatively shallow bowl-shaped bodies. Mineral deposit geologists view kimberlite as a por-phyritic alkalic peridotite with abundant phenocrysts of olivine and phlogopite. $2. , Fig. RM A6X4DT – A yellow diamond embedded in a piece of kimberlite rock. Dec 6, 2016 - Explore rvgg's board "Kimberlites" on Pinterest. Gallery Jewellers. For the purposes of mineralogical classification of kimberlites, olivine is ignored because its presence is implicit in classification of a rock as kimberlite. This photo shows diamonds from the Argyle Mine in northern Western Australia. They have a durable outer wall that is more resistant to weathering than the surrounding bedrock. As magma rises in a pipe during kimberlite formation, it plucks rock from the deep walls of the pipe. Kimberlite eruptions leave behind a characteristic deep, carrot-shaped "pipe" of kimberlite rock, which often contains diamonds. Carbonate-chloride nodules (segregations) in kimberlite (K-1). Morris3 1GEMOC ARC National Key Centre, Macquarie University, NSW, 2109, Australia 2Orogenic Exploration Pty Ltd, Burwood,. Kimberlite diamonds make beautiful jewelry such as rings, pendants, and earrings. It has outcrop dimensions of about 15 × 15 m. 180 million year (Ma), Jurassic-age Lesotho Formation (Drakensberg) basalts some. Other Regions, Features and Areas. lamproite is a type of igneous rock that is formed near the earth’s surface. I’m going to post a few pictures I have of what I think are fossils, actually pretty sure they are and let me know what you think. "About Alexandrite. Kimberlites are highly magnesian (MgO > 25% weight) magmatic rocks. Use them in commercial designs under lifetime, perpetual & worldwide rights. Diamonds have a density of 3. . 1-mm screen. RM A6X4DT – A yellow. The Great Dikes of Spanish Peaks Country formed during the same period of volcanic activity as the Spanish Peaks, Mt. While the use of diamonds has been traced back to ancient times, large-scale modern diamond mining began in the late 1860s with the discovery of diamonds in Kimberly, South Africa. Transparent rubies of. ADVERTISEMENT What is Peridotite? Peridotite is a generic name used for coarse-grained, dark-colored, ultramafic igneous rocks. 56, No. There is strong evidence and general acceptance. Kimberlites are rare, enigmatic, low-volume igneous rocks. It is a common rock-forming mineral in some igneous rocks. • Expansion of our platform's integration to additional blockchain networks. It is a rock type usually found on continental crust above subduction zones, where a relatively young oceanic plate has melted below. This specimen looks great in the display case, and it can even be a lovely gift. 5-carat diamond called the “Star of South Africa” was found in 1869. Description: Picture of a diamond-bearing kimberlite rock, from a mine somewhere in the US. Prairies kimberlite pipe shapes. On their journey to the surface, kimberlite magmas entrain a range of mantle. These stones are dark-colored, heavy, often altered, and brecciated (fragmented). A kimberlite’s variable size (50–200 m in diameter), shape (elliptical pipe or narrow, elongated dyke), competence, and degree of postglacial weathering influence the size and areal extent of dispersed. (PhysOrg. common rock-forming minerals. A, B kimberlite breccia KB-1 and KB-4; C, D kimberlite K-2 and K-1, respectively (close-up on Fig. This stone has been found in these locations. It has a composition that is intermediate between rhyolite and andesite. Free or royalty-free photos and images. Kimberlite is an ultramafic rock derived from the mantle. 7 million tonnes of unmined kimberlite ore containing an average of 2. On their journey to the surface, kimberlite magmas entrain a range of mantle. Texture: The stone has a fine-grained texture with a glassy or crystalline appearance. Diamond for engagement rings. 0 bids. 2006; Wilson and Head 2007). Sphalerite is the primary ore of zinc, taking the form of cubic crystals of zinc sulfide. These data also provide hints on two rock types that those rocks emplaced almost identical time or just a very short time span of the cooling of upper PM-type kimberlite of the study area. Kimberlite is a type of rock best known for sometimes containing diamonds. These units can be arranged in a pseudo-concentric, nested ‘pipes-within-pipes’ structure. The Bouguer anomaly map was based on a total of 259 gravity. Diamonds are known to occasionally show up in kimberlite, a type of potassic volcanic rock. Before plotting the composition of a rock on the diagram, the. ( 1986 ) and Rubin ( 1993 , 1995 ), and detected forming during dyke emplacement from moment tensor solutions of seismic. , 1991; Harlow and Davies, 2005). They may (but not always) bear diamonds, which form at depths greater than about 150 km. It is a joint venture between Mountain Province Diamonds and De Beers Canada. Find Kimberlite Rock stock photos and editorial news pictures from Getty Images. This involves physically examining the site to look for signs of diamond-bearing rocks, such as kimberlite or lamproite rocks. Rocks in Kansas. Figure 3 --Polished kimberlite core sample. Download Kimberlite Rock stock photos. It is often porphyritic. This photo shows diamonds from the Argyle Mine in northern Western Australia. Rock is made from ultrapotassic mantle-derived volcanic and subvolcanic rocks. Lamproite (a common source rock for diamonds) Image copyright of WA Museum. Download Kimberlite stock photos. Variations in isotope analysis between kimberlite localities: a. Primary carbonates in kimberlites are the main CO2 carriers in kimberlites and thus can be used to constrain the original carbon and oxygen-isotope composition of kimberlite melts and their deep mantle sources. The exploration history, regional geology, and general character of the volcaniclastic kimberlite rocks, coherent. Kimberlite that is on the surface is often yellow in color. 3 x 14. This rock was named after Kimberly in South Africa, where in 1887, Henry Carvill Lewis, an American. 87 carats) was found in Colorado. The first was a mine near Murfreesboro, Arkansas. What colors is kimberlite? kimberlite, also called blue ground, a dark-coloured, heavy, often altered and brecciated (fragmented), intrusive igneous rock that contains diamonds in its rock matrix. , (1, 2)] and are the major host for diamonds. 5 ha), the Satellite Pipe (1. In order to determine the age of the primary calcite within the kimberlite, in situ carbonate U–Pb dating was conducted in the Mengyin area. The large, rounded serpentinized olivine crystal at upper left is just over 4 mm across. ) in width. 1). The soil above the pipe has already yielded four diamonds, he says: two in the 20-carat range, and two in the 1-carat range. Kimberlites occur in ancient and thick continental lithosphere, forming intrusive sheets and composite pipes,. #4. Free or royalty-free photos and images. These rocks are carried by rivers, streams and waterfalls and diamond crystals are deposited in the water hence the pacer or alluvial deposits. Kimberlite is one of only two igneous rocks found at the surface in Kansas. Dreamstime is the world`s largest stock photography community. This paper outlines three methods for the prediction of rockbursts based on the properties of a rock. Deutsch; Español;Kimberlites are rare, enigmatic, low-volume igneous rocks. Porosity: The rock typically has a high porosity, meaning it contains many small voids or spaces. 4. Kimberlite whole rocks were leached with 2N HCl to remove the carbonate fraction which on analysis, yields Sr 87 /Sr 86 ratios between 0. Hundreds of these eruptions that occurred over the past 200 million. Our planet formed around 4. The American Museum of Natural History. On Sunday, May 19th, 1996, the 1996 Industrial Minerals Forum scheduled a field excursion to the Sloan Ranch kimberlites in the southern part of the Colorado-Wyoming State Line district, to learn about two of the six diamondiferous kimberlite intrusives within the Sloan cluster in the southern part of the State Line. , started at Kelsey Lake, Colorado, in June 1996. By November 16, 2023. Lamproite is an ultrapotassic mantle -derived volcanic or subvolcanic rock. The advance in studies related to kimberlites and the most in-depth studies on this subject has important contributions from South Africa, France, Australia, Brazil, Russia, and Canada with an extraordinary advance in the knowledge of kimberlite rocks, as well as their diamond potential, having as source the mines of South Africa, Australia and Russia. Hundreds of these eruptions that occurred over the past 200 million years have been discovered around the world. These pipes are the most important source of mined diamonds today. Today it is known as the "Crater of. Diamonds are mined from. Kimberlites are rare volcanic rocks with unusually deep origins. Unlike kimberlites, which are found exclusively in. Commonly highly serpentinized and porphyritic, it occurs in. A narrow steep-sided feeder vent has been defined at Star. They are highly enriched in magnesium, volatiles (CO2 and H2O) and incompatible trace elements and are thought to be the most deeply derived (>150 km) magmatic rocks on Earth. Kimberlite rock Stock Photos and Images. Basalt is an extrusive rock, finely grained due to its rapid cooling. As a rock, rather than a single mineral, the chemical makeup of kimberlite varies. Two different kimberlite rocks, i. 5. (a) Large olivine nodules in the Marsfontein orangeite in the Northern Province of South Africa (photo reproduced with permission of James Campbell, Managing Director of Botswana Diamonds plc); (b) centimetric ellipsoidal olivine nodules in a kimberlite from Igwisi Hills, Tanzania (from Russell et al. $25. The domino effect brings together all the necessary ingredients to produce diamond-bearing kimberlite magma, the scientists report in Nature. In 2013, near an area called Camp Alpha, he discovered a new kimberlite pipe 500 meters long and 50 meters wide. Kimberlite is a gas-rich, potassic. ⬇ Download stock pictures of Kimberlite on Depositphotos Photo stock for commercial use - millions of high-quality, royalty-free photos & imagesRevised, 3/9/2022. The rock kimberlite was named after the town of Kimberley, of course! For those who are unfamiliar, kimberlite is the ore that is mined for diamonds, and many of the early diamond mines in South Africa were located in the vicinity of Kimberley. The domino effect brings together all the necessary ingredients to produce diamond-bearing kimberlite magma, the scientists report in Nature. While the use of diamonds has been traced back to ancient times, large-scale modern diamond mining began in the late 1860s with the discovery of diamonds in Kimberly, South Africa. Select from premium Kimberlite Rock of the highest quality. In Western Australia diamonds are produced from mines at Argyle in the east Kimberley and Ellendale in the west Kimberley.