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Mineral Specimens with Fluorite
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6.8 x 4.6 x 4.5 cm. An aesthetic combination specimen from the Elmwood Mine. A 1.8 cm, lustrous, translucent, vivid deep purple fluorite cube is set atop sculptural, box-work matrix coated with sparkly, drusy calcite, which in turn, is richly covered with interesting, smaller fluorite cubes. The large cube has a striking, undamaged, negative impression from another fluorite crystal and unusual raised edges. Ex. Daniel Trinchillo Sr. Collection.
20.9 x 13.3 x 9.9 cm. A striking, two-sided, large cabinet specimen of intergrown, translucent, "Blanchard-blue" fluorite cubes from the Blanchard Mine of New Mexico. The cubes reach 2.2 cm and many have nice purple edges. The photo highlights the translucency and color saturations, including the purple edges. Contemporary classic material. Weighs 7.9 pounds or 3.6 kilograms.
14.8 x 9.2 x 6.3 cm. A fine and strange looking cabinet combination specimen from a new find at the San Antonio Mine at Santa Eulalia. Sharp, pretty lavender fluorite cubes to 2.5 cm are nestled amongst very strange looking, etched/melted, karstic-looking calcite formations. The large calcite looks like a castle with towers on the top. Two generations of calcite are present: lower, massive, translucent, whitish calcite; and capped by sharp, tan to colorless calcite scalenohedrons. The fluorites and calcite rest on a matrix plate covered by sharp, colorless quartz needles. Unusually, the massive calcite fluoresces vivid orange-pink, while the crystallized calcite does not fluoresce.
21.3 x 18.2 x 10.9 cm. A large (9.7 cm on edge) and highly dramatic lilac colored cube of fluorite sits atop a crystallized mound of reddish-brown sphalerite from the Elmwood mine in Tennessee. The fluorite itself is amazingly sharp, with good gemminess and light color zoning (ranging between lilac and colorless), but it's the incredible size and quality of the piece that makes it so significant. The secondary cube on the side of the specimen is a nice accent to this attractive large cabinet specimen. This piece is close to 30 years old, and is a significant US fluorite, especially coming from this prominent and celebrated zinc ore body.
13.7 x 9.5 x 6.5 cm. Glassy, well-defined fluorite cubes with vivid violet color and sharp color-zoning on a sculptural cabinet matrix from a very rare Spanish locality in Berbes - El Frondil. The stepped-face crystals are very lightly frosted and reach 2.6 cm. This is an excellent large specimen from this uncommon locale. Ex. Fernandez Buelga Collection.
15.0 x 13.7 x 7.8 cm. Limpid and beautiful, pastel-green fluorite cubes make up a striking, mounded, large cabinet specimen from recent finds at the Xianghualing Mine of China. The large cube is 4.4 cm. The piece masses over 1900 grams, nearly 2 kilograms. All of the cubes have stepped faces and very nifty, lightly frosted/etched, beveled edges. Essentially pristine. This is contemporary classic material of excellent quality.
8.6 x 5.8 x 5.1 cm. This is an aesthetic, wing-like cluster of lustrous, translucent, flattened, rose-red rhodochrosite rhombs nicely accented by fluorite, quartz and pyrite from recent finds at the Wudong Mine of China. The largest rhodochrosite is 4.2 cm and many of the faces are lightly frosted. The quality of Chinese rhodochrosite keeps getting better and this is an excellent example.
13.3 x 11.5 x 7.4 cm. Elegant rosettes of bladed, cream-colored baryte are aesthetically set on a mounded cabinet matrix covered with contrasting, translucent, color-zoned, purple fluorites with lightly frosted, stepped-growth faces. This is uncommon material from China. This large piece is in excellent condition and is from Guizhou Province.
10.9 x 6.5 x 4.3 cm. This Chinese fluorite find has to be one of the most exciting of the past five years - large plates of razor-sharp, translucent octahedrons with unique purple and green tones, in contrasting stark white quartz. The mining has stopped now - any specimens you see are from existing stock. This excellent cabinet plate is dominated by a striking octahedron measuring 3.4 x 3.4 x 3.3 cm.
4.9 x 3.4 x 3.2 cm. A fine cluster of intergrown, translucent, "Blanchard-blue" fluorite cubes from the Blanchard Mine of New Mexico. The cubes have nice purple edges. The photo highlights the translucency and color saturations, including the purple edges. Nearly pristine. Contemporary classic material.
7.8 x 7.3 x 5.5 cm. Rarely do you see large, floater fluorite cubes, such as this, from Southern Illinois. This translucent, lustrous, rich purple complex crystal has interesting, stepped-growth faces and is fabulously and preferentially accented with a multitude of starkly contrasting, tiny baryte crystals. Many of the crystals are water-clear and are doubly terminated. This specimen is nearly pristine. This outstanding specimen is from the much less common, Rosiclare Sub-District. Ex. Mullane Collection. Classic, hard to get material.
This is an EXTREMELY uncommon fluorite specimen, in that only a small batch of these were extracted by a lone miner in the desert of Morocco before he gave up due to the awful conditions and the difficulty of finding them more than one at a time. Whether any more will be taken out is anybody''s guess - and that is too bad, because they are quite beautiful. The crystals are a transparent light purple, to 1.6 cm, ranged along the top of the matrix. 5.4 x 3.5 x 3.4 cm
A VERY unusual Colorado combo specimen featuring light purple fluorite (!) - or more specifically, it appears to be clear with a purple core - in association with smoky points and well-formed euhedral microcline crystals. The fluorite will not give a Berbes fluorite any competition, to be sure, but it is from Colorado, for gosh sakes. 4.9 x 3.6 x 3.0 cm
8.8 x 8.4 x 7.5 cm. Gorgeous, vivid purple to light purple fluorite cubes to 1.5 cm are richly and aesthetically strewn on the 3-dimensional, mounded matrix on this classic specimen from the Mina Ojuela of Mexico. The cubes have great lustre, transparency/translucency and some crystals (the lighter colored ones) have interesting modified corners and edges. Ex. Mullane Collection and certainly dates to the 1960s or 1970s. Uncommon and choice material today.
9.8 x 7.0 x 2.8 cm. Until these lustrous, translucent, pink fluorites were discovered in Mexico, Peru and the Alps were the only sources for pink fluorite. These translucent octahedrons measure up to 2.2 cm, and have vivid, deep pink color against the beautifully contrasting white matrix. An excellent, sculptural plate. Vivid purple fluorescence.
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Rob Lavinsky, rob@irocks.com
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