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Mineral Specimens with Fluorite
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7.2 x 5.7 x 3.7 cm. A fine cluster of transparent, emerald-green fluorite cubes from the famed Okarusu Mine of Namibia. The dominating, 2.0 cm cube has a striking, sharp, cubic phantom inside and is complimented with interpenetrating twins on the crystal faces. Purple corners on many of the cubes are a beautiful highlight. Ex. Rob Smith Collection.
12.7 x 9.6 x 4.4 cm. Stunning bright golden-yellow gemmy fluorite crystals from this classic old German locality. The crystals measure up to 1.2 cm along the edge. Ex. Dr. Mark Feinglos Collection.
8.9 x 8.0 x 6.0 cm. This cluster is complete all around. This specimen demonstrates excellent zoning: golden-yellow interiors sharply outlined with dark purple, surrounded by a lighter purple, and then with a final dark purple outline around that.
15.3 x 10.2 x 4.5 cm. A large plate of fluorite crystals from the find a few years back of these super-sharp purple and green octahedra, which are embedded in stark white quartz and then carefully etched out by the miners using acid to expose them. Under good light, you can see the beautiful internal purple and greenish, almost teal hues. The largest crystal you see here is a real whopper, measuring 3.7 cm along the edge.
5.9 x 5.8 x 5.2 cm. A superb floater cluster from the finds at Orange River, with their distinctive color and sharp octahedral form. The specimen is anchored by large, glowing crystal measuring 5.5 cm tip-to-tip, with smaller crystals growing all over it.
10.1 x 7.9 x 4.0 cm. Bright green crystals of fluorite to 5 cm, with highly modified form - on a stark white matrix shot through with crystals of dark green tourmaline.
8.1 x 4.5 x 4.0 cm. A rich cluster of transparent light green fluorite, with ornate forms (cubes modified by the octahedron) piled up on matrix, with associated galena and a few brassy little chalcopyrites.
12.0 x 9.9 x 4.7 cm. The fine pink fluorite octahedrons in this plate measure up to 2.2 cm on edge.
15.1 x 11.4 x 5.3 cm. Razor-sharp, dark purple octahedra of fluorite, measuring to 2 cm on edge, embedded in stark white contrasting quartz. This is a very large and rich plate, with a couple of dozen crystals on it.
9.2 x 5.0 x 5.0 cm. This is a superb combination specimen from a small find made in the late 1980s. This is a great piece because it has good fluorite and good quality apatite, but also lots of it - making for wonderful color contrast against the crystallized matrix loaded with white bertrandite. Ex. Martin Zinn Collection.
3.4 x 2.9 x 2.4 cm. Here are two intergrown fluorite crystals of bright green on a contrasting, stark white euhedral feldspar crystal. The fluorites have natural bevels on their corners.
10.5 x 4.5 x 1.8 cm. A very unusual stalactite of botryoidal purple fluorite from China. This one has a flattened form.
7.2 x 6.9 x 6.8 cm. Natural internal fracturing makes these fluorite crystals look rough in the photo, but in person they have very lustrous faces. In another recessed area are crystals of smoky quartz. Both are nestled in stark white albite.
8.5 x 4.5 x 4 cm. Intergrown crystals of translucent purple fluorite, with multi-layered zoning visible inside - and a single, complete light golden-yellow calcite decorating the side.
11 x 9.5 x 6.5 cm. A large specimen consisting of many intergrown crystals of translucent, golden-yellow fluorite crystals that measure up to just under 4 cm along the edge. The crystals have grown around a knob of massive sphalerite in back. There are some faint hints of purple right at the crystal edges.
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Rob Lavinsky, rob@irocks.com
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