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Mineral Specimens with Fluorite
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7.8 x 6.9 x 5.4 cm. This is a superb Elmwood piece, primarily due to the extremely unusual transparency and razor sharpness of the crystals (for Elmwood). They have just a delicate hint of purple to them. The dark sphalerite provides a stunning backdrop for them, too.
5.0 x 4.9 x 3.8 cm. A cluster of cuboctahedrons of fluorite with glass-like windows into their water-clear interiors, framed by frosty purple faces. Really different and beautiful. The fluorites are accented by calcites, including a pretty horizontal column of poker-chip crystals.
8.0 x 2.5 x 2.4 cm. These inclusions of octahedra of purple fluorite inside prisms of quartz were "the" hit of one of the big shows a few years back, when they arrived from Madagascar with a French dealer. They are truly a striking and not at all subtle example of this phenomenon. The purple fluorites grew on the surface of the quartz crystal during its growth, and then growth continued, engulfing them inside the quartz.
7.5 x 7.0 x 3.8 cm. A fine combination specimen from Naica, Mexico. Lustrous, black sphalerite crystals to 2.7 cm with superb trigonal growth faces are aesthetically set on matrix with glassy, colorless, cuboctahedral fluorite crystals and a well-placed, 2.7cm, partially skeletal, galena crystal. Seldom do you know the exact mine from this famous district. However, this Mullane Collection specimen comes with a University of Sonora Engineering School label that tells us the mine, which is very uncommon - the Siglo XX.
5.0 x 4.5 x 2.7 cm. This find really shocked the mineral collecting world, because botryoidal fluorites are rare, and here you had intensely purple ones (which had rarely been seen before). The translucent specimens glow a luscious purple under good light. Highly representative of the rare species and find.
8.1 x 5.6 x 2.4 cm. A beautiful, 2.1 cm, sea-green, frosted and translucent, modified fluorite cube is aesthetically set on a plate of sparkly, colorless, drusy quartz from recent finds at the Xianghualing Mine of Hunan Province.
5.8 x 5.1 x 4.5 cm. An incredibly limpid, very glassy, 4.2 cm fluorite cube with amazing color zoning in the interior, box-work phantom. The box-work phantom holds a beautiful "garden" of matrix. The cube is nearly pristine.
4.5 x 3.3 x 2.9 cm. A good representative Fluorite specimen from the Grizzly Bear mine featuring a few colorless cubic crystals resembling tumbling dice, which are sitting atop sparkling Quartz crystals on massive sulfide matrix. The largest Fluorite cube measures 8 mm on edge. Ex. Jaime Bird Collection.
3.9 x 2.8 x 1.8 cm. Obviously this mine is known for its world class Rhodochrosite specimens, but it has also produced a wide variety of Fluorite specimens as well. This piece certainly is not typical for Sweet Home Fluorites as it features a few cubic crystals measuring up to 9 mm with very distinct phantoms and it changes almost immediately from a greenish-blue on the outer portion to a purple color in the center. The Fluorites are sitting on contrasting white Quartz matrix. Ex. Jaime Bird Collection.
3.7 x 3.4 x 2.1 cm. A showy and excellent cluster of intergrown, translucent, "Blanchard-blue", fluorite cubes from the Blanchard Mine of New Mexico. The cubes have nice purple edges.
7.5 x 7.0 x 5.6 cm. An fine combination specimen from the Elmwood Mine. Two gemmy and lustrous, intergrown, light purple fluorite cubes are perched on rubyjack sphalerite matrix. The larger cube is 4.5 x 4.4 cm and has glassy and gemmy corners, typical of many Elmwood fluorites. The rest of the faces are lightly etched and present a beautiful contrast. Classic Elmwood combination material, with the gemmy corners being a nice bonus.
14.5 x 10.5 x 4.4 cm. A superb cabinet plate of translucent, green fluorite octahedrons. The large octahedron is 6.5 cm and you can see where the crystal was fractured in the pocket and then filled with quartz. These fluorites came out in modest numbers for only a short time, and have essentially disappeared form the market. The specimen is pristine, except for periphery wear.
11.8 x 8.1 x 5.7 cm. Very glassy and transparent, golden-yellow fluorite cubes are beautifully complimented by translucent, glassy, colorless, complex calcite rhombs to 2.0 cm on this fine cabinet specimen from recent finds at the Moscona Mine of Spain.
This a sharp superb example of the classic penetration twins that many of the Weardale mines are world-famous for. This Rogerly stunner is water-clear with the highly desirable green color and eye-popping purple fluorescence that all collectors strive to find. In some of the pics, in fact, you can see it start to fluoresce even in room light when sunlight is allowed in! ‘Nuf said! 2.4 x 2 x 2 cm
6.8 x 5.8 x 3.8 cm. Ice-like, water-clear, light green fluorite cubes form a showy and excellent specimen from recent finds at the Xianghualing Mine of Hunan Province. The largest cube is 3.0 cm.
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Rob Lavinsky, rob@irocks.com
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share specimen![Fluorite, Sphalerite from Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA [db_pics/mdpics/MD-219267a.jpg]](db_pics/mdpics/MD-219267a.jpg)
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![Quartz, Fluorite from Amborompotsy, Ambatofinandrahana District, Amoron'i Mania Region, Fianarantsoa Province, Madagascar [db_pics/mdpics/MD-219274b.jpg]](db_pics/mdpics/MD-219274b.jpg)
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