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Mineral Specimens with Fluorite
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4.8 x 3.5 x 3.1 cm. A RICH, old-time and showy combination specimen from the famed Cripple Creek District of Colorado of metallic-bright, platy sylvanite crystals to 4 mm richly scattered on all four sides of matrix and very well complimented by purple fluorite. Sylvanite and fluorite are an UNCOMMON and HIGHLY DESIRABLE combination from this well-known district and this is a very highly representative specimen. Sylvanite is a rare silver, gold telluride and Cripple Creek produced about the best, mostly over 100 years ago. Ex. Charles Hansen Collection.
6.0 x 3.5 x 2.2 cm. GORGEOUS, gemmy and lustrous, lightly frosted, bright cherry-red rhodochrosite scalenohedrons to 1.9 cm are aesthetically set on contrasting sulfide-covered matrix on this showy and excellent specimen from the Uchucchacua Mine of Peru. A couple of scattered, water-clear quartz crystals are a nice accent. No new material has come out in recent years.
8.0 x 6.0 x 3.7 cm. Sharp, electric sea-green, nearly transparent and lightly frosted, fluorite octahedrons on massive fluorite matrix form an excellent and showy specimen from recent finds at this new and uncommon South African locality - Riemvasmaak, near the Orange River.
3.2 x 2.6 x 2.3 cm. A pristine, sharp, gemmy and lustrous, emerald-green fluorite cube nicely set on euhedral microcline from recent finds at the Erongo Mountains. An excellent modern-day classic.
5.2 x 4.8 x 3.6 cm. A rather gemmy, good-sized, mint-green color cuboctahedral Fluorite crystal with well-defined faces from this classic Pakistani locality. The crystal is certainly gemmy enough in areas to cut several clean gemstones. Ex. Brian Kosnar.
12.4 x 9.3 x 3.3 cm. On a trip through Argentina in 2003, collector Dave Stoudt picked up a number of unusual specimens that are not often seen on the market - including this rich plate of shimmering, translucent green fluorite. It appears almost botryoidal on the surface, but it is actually composed of tightly-massed octahedra.
7.5 x 6.2 x 4.5 cm. Another fluorite rarely seen on the market, from Argentina, out of the collection of dave Stoudt, from his visit there in 2002. These are sharp, pale golden crystals to 1.3 cm, on a field of sparkly drusy quartz.
6.4 x 5.9 x 3.4 cm. A fine Illinois specimen out of the noted collection of Dawn Minette, combining dark purple cubes of fluorite (to just over 3 cm across the edge) with translucent, platy crystals of baryte. Ex. Minette Collection.
8.9 x 5.2 x 4.2 cm. A cluster of gemmy lavender cubes of fluorite, with puffy white inclusions inside - accented by sprays of quartz crystals. The fluorites are piled up on a thin shard of matrix.
11.5 x 8.4 x 3.2 cm. Until these pink fluorites were discovered in Mexico, Peru and the Alps were the only sources for pink fluorite, and the cost of a specimen such as this was (and still is) astronomical from those localities. These octahedrons measure to 1.5 cm. No longer being found.
13.4 x 8.5 x 8.4 cm. A specimen of the famous "Blanchard Blue" fluorite, with its unique hue of blue; this is actually part of a rolling pocket that was lined with crystals. They show good transparency, and measure to just under one centimeter on edge.
12.8 x 9.4 x 5.4 cm. A large fluorite specimen with unusually GLASSY crystals for the Okarusu - with the typical limpid green color. The crystals have glassy faces and highly modified, stepped corners. This is a 3-dimensional dome completely covered with crystals.
11.9 x 9.8 x 6.4 cm. A large cluster of fluorite crystals that are just like GLASS through and through - but with these beautiful bevels around the edges (cubic crystals modified by the dodecahedron, to be technical). The fine crystals measure up to 3.5 cm along the edge. They are piled up in an extremely aesthetic way on the matrix, as you can see. A VERY impressive specimen of super-clear fluorite!
3.2 x 3.0 x 2.3 cm. Most collectors missed out on these beautiful Namibian fluorites, because not many came out, and they were expensive. They have a quite unique grassy green color that is distinctive from fluorites from other localities, and sharp octahedral form. This miniature showcases the crystals sitting atop a matrix of quartz crystals. The transparent fluorites measure to 1.4 cm.
9.2 x 6.1 x 2.4 cm. A BEAUTIFUL and AESTHETIC Sweet Home Mine rhodochrosite combination plate. A 2.0 cm on the diagonal, gemmy and lustrous, cherry-red rhodo rhomb is stunningly placed in the center of a sulfide and quartz matrix COVERED with smaller rhodos, lustrous, faint purple to colorless fluorite cubes and needle quartz crystals. There are even a couple of hubnerite and pyrite crystals scattered about, as an additional accent.
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Rob Lavinsky, rob@irocks.com
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