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Sold Minerals



FA314 - Cassiterite - Sold
Mt Xuebaoding, Pingwu Co., Mianyang Prefecture, Sichuan Province, China
Size: 8.1 x 7.8 x 6.6 cm
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Spectacular crystal of twinned cassiterite in very best shape and quality! The jet-black cassiterite is 7.8 cm in diameter and shows absolutely best luster on all sides! The backside has some contacts at the lower parts but the front is pure beauty with silvery white muscovite and some colorless fluorite which is uncommon for the locale!
A fantastic, sharp and dominant cassiterite specimen from the important locale at Xuebaoding Mountain!


RK139 - Quartz Faden - Sold
Piz Beverin, Graubünden, Switzerland
Size: 15.2 x 12.5 x 12.6 cm
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The word "chaotic" comes to mind when viewing this large and impressive quartz cluster. The center holds a gwindel-like structure that's in fact a tabular "Faden" quartz. 3-dimensionally arranged around this center are docens of quartz crystals, often doubly terminated and with a distinct "Faden" running through it. Backside and bottom also are completely crystallized and show some iron oxide for contrast and color. This is a fascinating piece of untamed aesthetics and high quality!


RK247 - Fluorite on Pyrite with Calcite and Sphalerite - Sold
Milpo mine, Atacocha mining district, Pasco province, Peru
Size: 13.4 x 11.9 x 8.7 cm
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Hold on to something, for this piece is totally going to knock your socks off! Its not just the simple rarity of this vivid combination. Pure aesthetics radiates from this piece and captures your instantaniously! Finding fluorite of this quality, color and size has become difficult nowadays, fining it on a sparkling pyrite-matrix combined with white calcite and metallic sphalerite is virtually impossible! This piece was by far the best out of a small pocket found about 20 years ago. The piece is in an excellent condition with contacts at the back and just one small ding at the left crystal, pointing to the back. Truly a fantastic piece that stands out on a world class level!


RK261 - Rutile - Sold
Wallis, Switzerland
Size: 4.2 x 3.1 x 1.3 cm
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Wow! This rutile has everything an Alpine mineral specimen needs to be appreciated as a real classic. Two knee-twin crystals of brilliant blood-red color and sparkling luster are perched on a beautiful matrix that provides a perfect contrast. The matrix is grey at the lower part and shows a golden yellow covering as background for the rutile crystals. Incredibly there is not the slightest damage to be found anywhere on this remarkable piece of overwhelming quality. Aesthetics is one thing, crystal quality is the other. Seeing both combined on this piece in such a manner renders me rather speechless!


RK317 - Quartz - Sold
Cavradi, Val Curnera, Tujetsch, Graubünden, Switzerland
Size: 4.5 x 4.5 x 2.8 cm
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A lovely symmetrical quartz specimen of very fine quality that is virtually flawless all around. High luster and limpid crystals combine to this vivid piece. The backside holds some matrix which is visible through the glassy crystals. The right one of the three quartz crystals is contacted at the bottom which is about the only issue on this piece. A totally lovely piece for a low price!


RK339 - Quartz - Sold
Tessin (Ticino), Switzerland
Size: 5.9 x 3.2 x 1.4 cm
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Water-clear crystals and a distinctive fork-shape are distinguishing this quartz specimen. At the main crystals back you find some iron oxide and mica which adds a very nice color-effect. The bottom is perfectly recrystallized and free of damage as is the rest of this impressive little specimen.


GM27 - Brookite - Sold
Crapteig, Thusis, Domleschg, Hinterrhein Valley, Graubünden, Switzerland
Size: 4.1 x 2.4 x 1.5 cm
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This perfectly aesthetic specimen features a single brookite crystal on a well proportioned platy quartz matrix, all sparkling and generously supporting the main crystal. The brookite is of rust-brown color and, even if the light does not quite reach through, warmly reflects the direct illumination. It is all complete and unharmed. With 1.7 cm in length it is quite dramatic in size and an outstanding piece for the locale, where only a small number of brookite specimens have been found now fifty years ago. Nicely composed and well preserved, this is a rarity of outstanding visual impact!


FB36 - Hematite - Sold
Monte Prosa, Central St. Gotthard Massif, Tessin (Ticino), Switzerland
Size: 5 x 4.2 x 3.9 cm
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Hold your breath and have a good look on our video for a 360° view of this masterpiece! This tremendous hematite rose is 4.5 cm broad and staggering 3.9 cm thick! Hundreds of layers of crystallized iron oxide are composing this massive sparkling ball, shaped like a snail shell. This flawless hematite sits on a nice little piece of adularia matrix, contrasting and sparkling. A fantastic and just outstanding Alpine hematite specimen from the famous St. Gotthard Massif!


CM54 - Elbaite - Sold
Pederneira Mine, São José da Safira, Doce valley, Minas Gerais, Brazil
Size: 10.7 x 3.6 x 2.1 cm
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Pederneira stands for best quality Brazilian tourmalines! This specimen has everything a great tourmaline needs: Color, clarity, aesthetics and size! The color, radiating from the almost completely limpid main crystal is to the largest parts an intensive water-blue, capped with a green zone at the termination. The bottom has a hint of pink, depending on the lighting. At the crystals base is a group of supporting side-crystals, all in very good shape and of high quality. Some lepidolite rounds out the piece and marks it as a real classic Pederneira specimen!


RT61 - Titanite - Sold
Kristallwand, Frosnitztal, East Tyrol, Austria
Size: 4 x 2.5 x 1.8 cm
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This incredibly nice specimen was found at the Kristallwand in East Tyrol and shows the characteristic brown coloring, although the large main crystal has a green core which makes for a dramatic visual effect! The mentioned main crystal is 2.3 cm long, sharp and of exceptional quality: glassy and super-lustrous. At very close inspection the crystal has minimal abrasions but which are of no importance here as the whole composition is nothing short of spectacular! The matrix is crystallized all around and provides the perfect base for these wonderful crystals. Brilliant and absolutely unique!


OT52 - Aquamarine - Sold
Medina, Minas Gerais, Brazil
Size: 9 x 2.5 x 1.6 cm
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A gorgeous doubly terminated aquamarine of greenish blue color that shows mesmerising etchings all over and is free of any damage! The crystal is completely clear which is hardly visible on the picture or even the video as the complex surface structure reflects the light in iridescent ways. An unusual and absolutely brilliant piece that looks fantastic and feels just great like some piece of warm, carved wood. Best quality meets a distinctive, catchy look!


ED3 - Pyrite with Quartz - Sold
Mundo Nuevo Mine, Mundo Nuevo, Huamachuco, Sanchez Carrion, La Libertad, Peru
Size: 13 x 11.6 x 8.7 cm
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Best golden pyrite in excellent condition in combination with contrasting white quartz. The largest pyrite is a 3 cm cube that is set at the very top and has mirroring luster and very nice surface striations. Directly beneath it there are some smaller pyrites and a array of elongated white quartz crystals in a sweeping jackstraws assembly. The backside is dominated by well cristallized pyrite which is nicely visible in our video. The condition is extremely good all around with only very minor and hardly recognizable issues but mostly just perfect crystals and stunning aesthetics!