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Mineral Specimens with Fluorite
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18.0 x 12.0 x 5.8 cm. Absolutely limpid and beautiful, pastel-green fluorite cubes make up an aesthetic large cabinet cluster from recent finds at the Xianghuapu Mine of China. The large cube is 4.8 cm. All of the cubes have very interesting, frosted, beveled, stepped-growth edges. Rotating the piece and looking into the crystals is surreal. The plate itself is pristine. This is contemporary classic material of excellent quality. Weighs 4.0 pounds or 1.8 kilograms.
14.4 x 13.5 x 4.4 cm. A stunning, sculptural, cabinet-sized fluorite plate from the recent, very highly touted finds at Riemvasmaak, South Africa. Gemmy and lustrous, unique grass-green fluorite octahedrons are aesthetically clustered on this piece. The striking, jagged, sidecar "mountain" is 7.5 cm wide and the large, flat-lying octahedron is 10.0 cm. This dramatic specimen is essentially pristine. The color is intense, deep green. Because it is thin, having grown as crystals expanding along a narrow cavity, it is exceptionally easy to backlight and the full color shows evenly and easily in any lighting.
13.9 x 9.9 x 6.8 cm. Lustrous, translucent, sea-green fluorite cubes to 3.7 cm are dramatically and preferentially coated with mirror-bright, brass-yellow pyrite and sparkly, colorless, calcite microcrystals on this fine cabinet specimen from the less well-known El Hammam Mine of Morocco. This mine has produced some unusual and very showy fluorite combination specimens and this piece certainly qualifies. Pristine, except for trivial periphery wear. Weighs 2.9 pounds or 1.3 kilograms.
6.2 x 4.5 x 3.4 cm. This is a great specimen from one of the most storied and well known districts in Colorado. The pegmatites near the Lake George area of Colorado have produced what most collectors and dealers consider to be the finest Amazonite specimens from the standpoint of superb color, top quality, wonderful display specimens and excellent associations. This particular specimen, has no Amazonite, but it does feature a few, sharp, gemmy purple color "tumbling dice" cubes of Fluorite measuring up to 1.4 cm on edge sitting on grey Quartz crystals on matrix. To find Fluorite crystals so well-balanced on a specimen is quite unusual for this area. This specimen was collected over nearly years ago (September of 1980) when Richard Kosnar found some of the finest color Amazonite from Colorado extant. Ex. Richard Kosnar Collection.
7.1 x 6.4 x 3.3 cm. A richly colored, sharp, very gemmy, octahedral crystal group of Fluorite from the De'an Mine in China. The main crystal has a gorgeous green hue, with smooth, distinct crystal faces. When backlit, one can see a slight lilac/purple hue along with small colorless zones along the edges of the crystals. The color is about as rich as I have seen from this mine, and is not a light pastel hue like many others from De'an.
6.4 x 6.0 x 5.2 cm. An unusual specimen of fluorite, as this habit is rare for the locale. These robust, translucent, slightly pastel pinkish crystals are to 2.75 cm across. The fluorites are perched on a curving bit of quartz cavity that serves as host for a 2 cm galena crystal underneath. The galena is partially altered to anglesite, as are many from this locality. Interesting combination piece, overall. Ex. Harold Urish Collection.
21.5 x 12.7 x 10.5 cm. This large specimen features a cluster of nearly colorless (with interesting dark specks), gemmy fluorite crystals, to 7.5 cm across, perched on splendent, black sphalerite. There is even thin gray color zoning at the terminations of the fluorites. Except for some minor contacting around the edges of the fluorites, they are actually complete around the back due to microcrystallization covering the surface where they must have previously broken off from the matrix attached to the back of them. This makes them very translucent, compared to crystals which might be more 3-dimensional in back but have the same frontal breadth to them.
10.2 x 7.8 x 4.5 cm. A druse of gray dolomite is host matrix for a nearly equant, gemmy, nearly colorless fluorite cube measuring 3 cm across. It is complete but for a small amount of hard-to-see edge wear on the back of the upper edge. Above it is a splendent, 4 cm, sphalerite crystal with gemmy highlights (cleaved or contacted on top but the display face is all crystallized). This is a very unusual specimen, for the fluorite style.
4.0 x 3.1 x 3.0 cm. A beautiful cluster of pristine, gemmy, pastel-green cuboctohedra.
4.6 x 4.1 x 3.1 cm. A sharp matrix specimen with a superb 1.8-cm crystal on it that is as close to a "jewel" as you can expect here. The sharp cuboctahedral shape and extraordinary gemminess of this dominant crystal really elevates this miniature to a level beyond just representative. The fluorite is on a thin plate of sphalerite and also has some minute Pyrite inclusions that are quite obvious in person.
5.5 x 4.8 x 3.8 cm. Gorgeous, pristine, 1-inch cuboctahedral crystals perched on a stalk of sphalerite. They are gemmy and transparent.
4.5 x 4.3 x 2.6 cm. Water-clear, sharp, cuboctahedra perched on a pedestal of sphalerite matrix. Pristine and complete-all-around, this is a stunning miniature.
5.6 x 5.0 x 3.2 cm. A single sharp, transparent, 3 x 2.8 x 2 cm fluorite crystal sits starkly in the middle of this crystallized, lustrous galena matrix, with a little accent of drusy quartz on the right side. Note it is so clear you can look right through it to the galena underneath. A fine miniature, with stark and classic cuboctahedral crystallography.
10.6 x 8.0 x 5.5 cm. A beautiful combination piece of bright white calcite covered with a second generation of even more sparkly, minutely-crystallized calcite perched on bright jet-black sphalerite crystals. Very sparkly and colorful overall for a black-and-white piece. Small, gemmy, transparent cuboctahedral fluorites sprinkle the calcite at its tip and are scattered about the matrix as well. I am told that not many of these came out with the main pocket of fluorites.
10.5 x 9.3 x 7.3 cm. Seven transparent, gemmy, undamaged cuboctahedral crystals to 3 cm in size perch like mountain climbers upon this mound of crystallized galena (actually a carpet of galena over a mound of underlying sphalerite). The contrast is striking. The association with galena is classic for Naica, for old material. For this new find, it seems rather unusual as most of the associations are with sphalerite. Also, the frozen waterfall of sparkling crystallized quartz running down the center of the piece provides a nice accent and some sparkle...and is itself unusual in the occurrence.
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Rob Lavinsky, rob@irocks.com
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share specimen![Fluorite from Xianghuapu Mine (Maiwan Mine), Xianghualing Sn-polymetallic ore field, Linwu Co., Chenzhou Prefecture, Hunan Province, China [db_pics/mdpics/MD-282306a.jpg]](db_pics/mdpics/MD-282306a.jpg)
![Fluorite from Xianghuapu Mine (Maiwan Mine), Xianghualing Sn-polymetallic ore field, Linwu Co., Chenzhou Prefecture, Hunan Province, China [db_pics/mdpics/MD-282306b.jpg]](db_pics/mdpics/MD-282306b.jpg)
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![Pyrite, Calcite, Fluorite from El Hammam Mine (El Hamman Mine), Mount Hammam, Meknès, Meknès Prefecture, Meknès-Tafilalet Region, Morocco [db_pics/mdpics/MD-282330b.jpg]](db_pics/mdpics/MD-282330b.jpg)
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![Fluorite, Dolomite, Sphalerite from Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA [db_pics/mdpics/MD-283299a.jpg]](db_pics/mdpics/MD-283299a.jpg)
