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Mineral Specimens with Fluorite
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9.7 x 8.6 x 3.6 cm. This piece Blanchard Mine specimen is loaded with sharp, gem/gemmy cubic Fluorite crystals which show a color shift from a strong teal-blue color in sunlight to a pastel purplish-blue color in halogen lighting. The cubes measure up to 1.2 cm and have a typical soft matte luster seen at this mine, but some of the crystals very gemmy inside. Ex. Brian Kosnar Collection.
A large cluster of HUGE, glass-clear fluorite crystals to 6 cm ON EDGE! They are NOT the drab green color and luster of the cheaper fluorites that came out in floods from China, but are a beautiful (and much rarer) grass-green. The crystals show pretty bevels along the edges. Aside from a cleave on one of the smaller crystals, the damage is limited mostly to the periphery of the specimen, where it was removed from the pocket. Talk about a big, impressive fluorite specimen; wow! 17 x 14 x 8.5 cm
Very pretty translucent crystals of fluorite to 1.5 cm, beautifully centered in the middle of surrounding clear-to-gray fluorite. Note that this has been sawed into this attractive shape, making it rather of an "art object" though some folks will not want a sawed specimen, I know 8 x 6.8 x 3.5 cm
9.7 x 7.4 x 6.6 cm. A striking and beautiful fluorite specimen from a small, one-time find at the Shangbao Mine about 3-4 years ago. The gemmy, water-clear, sea-green fluorite cubes to 3.5 cm have these incredible, inclusions of vivid purple fluorite oriented in the corners of the large cubes at the top of the specimen.
14.0 x 10.6 x 4.5 cm. A fine cabinet fluorite plate. This Chinese fluorite find has to be one of the most exciting of the past five years - large plates of razor-sharp octahedrons with unique purple and green tones, on contrasting stark white quartz. The mining has stopped now - any specimens you see are from existing stock. The large dominating crystal is 6.0 cm on the diagonal. Both of the large octahedra have reveal green cores when backlit.
6.0 x 4.2 x 3.2 cm. A fine, distinctively different fluorite specimen from the Minerva #1 Mine of Illinois. Sharp, translucent and lustrous, vivid purple fluorite cubes to 2.5 cm with stepped-growth faces are beautifully set atop a cluster of translucent, yellow fluorite cubes. Nearly all Minerva #1 purple fluorites, associated with yellow fluorite, have yellow cores, not separate purple and yellow fluorite. Ex. Jaime Bird Collection.
10.0 x 7.5 x 6.2 cm. Gemmy and lustrous, color-zoned purple fluorite cubes to 6 mm are richly and aesthetically strewn on the top of a crudely blocky matrix of off-white to very pastel-pink microcline crystals from a new Colorado find. A real bonus is the 3.8 cm pair of pristine, doubly terminated smoky quartz crystals hidden on the bottom of this pristine, complete-all-around, floater specimen. This fine Colorado specimen is from the 2008 find in the Monster Pocket of the Dreamtime Mine in Teller County.
8.5 x 6.0 x 2.5 cm. Until these lustrous, translucent, pink fluorites were discovered in Mexico, Peru and the Alps were the only sources for pink fluorite. These octahedrons measure up to 2.0 cm on the diagonal, and have vivid, deep pink color against the beautifully contrasting white matrix. A fine, sculptural plate, beautifully accented by the bit of white matrix next to the large octahedron.
6.0 x 5.6 x 3.8 cm. Intense purple phantom. The crystal is 5.2 x 4 x 3 cm, and attached to a quartz crystal that is, itself, phantomed. The quartz tip is glassy and water-clear.
7.1 x 5.9 x 5.2 cm. A matrix of small, sparkling muscovite crystals is host to several sharp crystals of fluorite. The largest edge is 3 cm. The color is as close to grape jelly as to any other term I could use to describe its rich hue in person.
9.1 x 7.6 x 6.3 cm. This crystal is 3.6 x 3.5 x 2.8 cm and is sharp and perfect in its symmetry. The crystal is almost pristine except. The surface is glassy and lustrous, on all faces. The crystal is so transparent, with no internal flaws at all, that you can clearly see the matrix and some enclosed calcites through its entire depth. The association of a few stark white calcites, on sparkling muscovite matrix, really adds character. The little daisy chain of crystals running down is more purple, and provides a bit of contrast as well.
11.2 x 7.3 x 5.1 cm. A 3.4 x 3 x 2.7 cm crystal that is glassy, transparent, and water-clear inside so that you can see through it to every detail of the matrix underneath, and the phantoms inside. Unusual for this mine, the crystal is not a shade of purple but rather a pale pastel-green hue. The crystal is amazingly pristine and perfect, and sits starkly on the edge of a matrix of quartz and muscovite.
11.3 x 9.1 x 5.2 cm. This fluorite cluster is 6 cm across and looks like a floating city, impaling itself on the quartz. The freestanding fluorite is complete all around the top and sides, only contacted a little on the lower backside. It is translucent, and pristine on all the faces. The sharp steppes are highlighted by a thin, intense purple phantom at all edges. The fluorite is perched on the quartzes, which are also totally pristine and perfect. A sprinkling of sharp brown, translucent scheelite octahedra, mixed with small bladed white calcites, overlays the rear of the quartz terminations and the valleys between the quartz and the fluorite itself. Scheelite, of course, is quite rare for this mine. Found in 2006.
8.8 x 7.3 x 5.8 cm. This fluorite cluster is 5.8 cm across and looks like a floating city, perched atop the quartz. The freestanding fluorite is complete all around the top, sides, and the back, only contacted on a tiny portion of the bottom/rear of the specimen. It is translucent, and pristine on all the faces. The sharp steppes are highlighted by a thin, intense purple phantom at all edges. The fluorite "city" is standing upon a massive fluorite base which adheres to and extends between the two quartzes - which are also totally pristine and perfect. A sprinkling of sharp brown, translucent scheelite octahedra sparkles on the backside of the quartz. Scheelite, of course, is quite rare for this mine. Found in 2006.
10.0 x 6.0 x 4.3 cm. This is from a new pocket found at the end of 2008. It is a fine piece featuring a zoned, multicolored 2.8cm fluorite perched on beautiful, lustrous, dolomite crystals. The dolomites have a porcelain-like quality to them and the stark contrast in texture and geometry is appealing. The fluorite is pristine. The dolomite has one broken crystal in the front-middle-right side. NOTE: these exhibit the photographic property of metamerism. They change colors from halogen and professional bulbs (more blue) to indoor fluorescent lighting and even natural sunlight (more green). Examples from both are shown here.
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Rob Lavinsky, rob@irocks.com
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