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Mineral Specimens with Fluorite
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Thumbnail. A fine, green fluorite thumbnail of classicly styled, interpenetrating twins from the Heights Mine in Weardale. The crystals are highly lustrous, nearly transparent and are essentially pristine. This piece has the gorgeous green and any light on it turns the piece partially purple with natural fluorescence. Classic, old-time material from this renowned locale. Ex. Jaime Bird Collection. Excellent purple fluorescence.
Thumbnail. A fine, yellow fluorite thumbnail of classicly styled, interpenetrating twins from the Hilton Mine in Scordale. The crystals are highly lustrous, nearly transparent and are essentially pristine. This piece has the distinctive, limpid yellow color saturation. Classic, old-time material from this renowned locale. Ex. Jaime Bird Collection. Excellent purple fluorescence.
8.5 x 8.3 x 7.1 cm. A striking, yellow, fluorite cube very richly covered with highly unusual pyrite spheroids from recent finds at the well-known El Hammam Mine of Morocco. The translucent fluorite has a particularly gemmy corner, similar to purple Elmwood fluorites. Strange, but in a way, very interesting looking. Excellent purple fluorescence. From a small find of 2006.
10.3 x 7.3 x 6.7 cm. Vivid, violet fluorite cubes cover the mounded matrix on this fine cabinet specimen from Berbes, Spain. The dominant, 2.8 cm, cube has sharp and intense color-zoning. Classic, highly representative material from this famous locale.
9.4 x 8.4 x 8.4 cm. An aesthetic and excellent fluorite specimen from the recent, very highly touted finds at Riemvasmaak, South Africa. A 3.5 cm, gemmy and lustrous, unique grass-green fluorite octahedron dominates this very fine specimen. The large crystal is complete-all-around and pristine. The color is intense, deep green. And the fluorite has excellent purple fluorescence.
14.3 x7.56 x 7.3 cm. Intergrown, large fluorite cubes form a dramatic, cabinet specimen from an uncommon Canadian locale - the St. Lawrence Mine in Newfoundland. The crystals reach 5.5 cm on edge. Some faces are very glassy, transparent to translucent and have interesting, cross-hatched, internal reflections. Other faces are preferentially coated with iron oxides. The crystals are colorless to brownish to grayish. This fine, complete-all-around specimen appears to be a floater and has only modest edge-wear. An excellent large specimen from an uncommon Canadian locale. Modest purple fluorescence. Ex. Elling collection.
5.3 x 4.1 x 3.7 cm. Bob Whitmore collected this in 1964. It is a vivid, gemmy green color, almost neon in intensity, and the crystals sparkle as if they were greased with oil. They are comparable in intense color to the rare green crystals fro Malmberget, but even more jewel-like and sparkling. Ex. Robert Whitmore Collection.
9.3 x 5.8 x 3.3 cm. The Sweet Home mine is famous for its Rhodochrosite specimens, but it has produced some very nice Fluorites as well. Richard Kosnar mined the Sweet Home for a few years during the late 1970's and managed to collect some excellent Rhodochrosite specimens. It hosts a few gemmy, purple (blue in sunlight), cubic crystals of Fluorite measuring up to 3 mm with good sharpness and luster. The Fluorites sit atop a matrix comprised of Tetrahedrite, Sphalerite, Quartz and Hübnerite. A nice association specimen from the mine that produced the world's finest quality Rhodochrosites. Despite the smaller size, this is a good quality Fluorite from the Sweet Home. This piece is from one of the early pockets that Rich Kosnar opened when he started mining in 1977. Ex. Richard Kosnar Collection.
2.8 x 2.2 x 1.4 cm. A rare and superb color-zoned fluorite cube on quartz thumbnail from the Blanchard Mine and the Jaime Bird Collection. The fine, lightly frosted cube has a unique red center (I have never seen another like it from here) to go along with the shades of yellow, blue and purple. And the pristine fluorite cube is beautifully set on a matrix of small quartz crystals. Very fine and uncommon material from the Jaime Bird Collection.
12.0 x 10.5 x 7.3 cm. An old-time cabinet-sized fluorite specimen from the famous Tombstone District of Arizona. Translucent, frosted, pastel-green and pastel-purple fluorite cubes cover the curved 3-dimensional matrix of massive purple fluorite on this fine specimen. This large piece has an excellent sculptural quality to it. Empire Mine or Tombstone fluorite is very rarely available. Excellent purple fluorescence.
8.1 x 6.1 x 3.0 cm. A fine plate richly covered with very glassy, transparent, golden-yellow fluorite cubes to 1.1 cm from recent finds at the Moscona Mine, Spain. This excellent, highly representative piece is very nearly pristine. Excellent white fluorescence.
8.6 x 8.0 x 6.5 cm. A striking and rare orange creedite with fluorite specimen. This specimen of connected intergrown balls of creedite and covered with gemmy, burnt-orange to colorless crystals dramatically rests on crystallized to lightly etched, translucent, glassy, sea-green fluorite. Both octahedral and cuboctahedral fluorite crystals are present. Good creedites were rare from any locality, until these orange ones were found in Mexico. Then, the mining was finished, apparently for good.
5.8 x 4.8 x 4.5 cm. A classic and fine Annabel Lee Mine fluorite specimen from Southern Illinois. This is a complete-all-around, purple-cored with yellow cube. It is a near floater. Glassy, colorless calcite scalenohedrons cover four of the six sides of the cube. The isolated, doubly-terminated calcite crystal is 8 mm. Ex. Bill Fritzler Collection.
3.1 x 2.7 x 2.3 cm. Translucent, lustrous, purple fluorite cubes with lightly frosted, stepped-growth faces form a fine, stacked, toenail specimen from the Elmwood Mine. The cubes are very nicely accented with a dusting of amber calcite microcrystals and baryte. Classic material. Ex. Jaime Bird Collection.
5.5 x 5.0 x 4.8 cm. Two colorless,calcite crystal florets nicely accent this incredibly vivid purple fluorite cube from the Illinois Fluorspar District. The highly lustrous faces are lightly frosted and have very interesting stepped-growth. Ex. Bill Fritzler Collection.
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Rob Lavinsky, rob@irocks.com
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