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Mineral Specimens with Fluorite
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3.8 x 3.8 x 3.2 cm. A classic, beautiful, fluorite on pyrite miniature from Naica, Mexico. The glassy, limpid, pastel-green, complex, fluorite cube with stepped sides is aesthetically perched on a V-shaped cluster of highly lustrous, brass-yellow, striated, pyrite cubes. This is older material from the 1960s or 1970s from the Jaime Bird Collection.
A fine, isolated, 3.5-cm fluorite crystal of deep purple. 6.8 x 7 x 4.7 cm
A large and EXTRAORDINARY fluorite specimen for sheer pizzazz. What you are looking at are wildly modified octahedrons like cancerous growths, with myriad micro-faces, in two generations: an earlier generation of light green, and a later generation (as the solution in the pocket changed) of a beautiful lavender. You are seeing through the translucent lavender layer to the green fluorite beneath. The lavender fluorite is piled up in two knobs at the top of the specimen, contrasting against the greener part below. Dazzling ! We have all seen a lot of fluorite from China but this one is very different in appearance 13 x 8.5 x 6.5 cm
5.0 x 4.1 x 3.7 cm. A sharp specimen, rare for the locality, with brilliant golden chalcopyrite crystals (to 1 cm) on stark contrasting matrix. The gemmy, transparent purple fluorites are a nice bonus.
Dramatically modified cuboctahedrons of pink fluorite, with stepped microfaces that make the crystals look like ancient ziggurats, and flat, very lustrous terminations. 6.1 x 3.4 x 2.2 cm
6.2 x 5.4 x 4.5 cm. A beautiful and rare small cabinet combination specimen of connected intergrown balls of orange creedite and purple, teal and green fluorite. The balls are covered with gemmy, light-orange to colorless creedite crystals and the largest crystal, at 2.0 cm, is doubly terminated. The fluorite is a nice compliment to the creedite.
7.4 x 5.7 x 4.6 cm. A highly lustrous, 4.5 cm, step-faced, galena cube aesthetically set on sphalerite matrix and very nicely accented with purple fluorite from the Elmwood Mine. Highly representative of the species, association and locale. Ex. Mullane Collection.
11.5 x 8.8 x 6.0 cm. A fine cabinet fluorite specimen from 2006 finds in Henan Province, China. Intergrown, sharp fluorite cubes in strange, intergrown knobs comprise this piece. The translucent fluorites are brown to yellow, when front-lit, but glow a gorgeous, golden-amber when back-lit.
8.0 x 6.3 x 4.4 cm. A fine, 5.8 cm fluorite ball "egg yolk" set on an "egg white" matrix of glassy quartz crystals from recent finds at Mahodari, India.
8.0 x 5.3 x 3.4 cm. A really interesting combination specimen of gem-like, water-clear, cuboctahedral fluorite crystals with rhodochrosite from the Uchucchacua Mine of Peru. The 3.5 cm vug in massive sulfide matrix is aesthetically sprinkled with fluorite crystals to 4 mm and beautifully contrast the gemmy and lustrous, cherry-red rhodochrosite scalenohedrons that reach 1.4 cm.
6.8 x 6.4 x 3.0 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 1.7 cm, and have vivid, deep pink color against the beautifully contrasting white matrix.
I really like the occasional Okarusu fluorite specimen that shows up with the these light, transparent crystals (to 1.2 cm) isolated and interspersed with quartz, rather than the more typical massing of crystals (though both are nice). You can see right through these crystals to the matrix - they are UNUSUALLY transparent for the locality. This is a showy, cabinet-sized plate! 12.8 x 8.5 x 6.6 cm
3.2 x 2.8 x 2.5 cm. A classic, color-zoned fluorite crystal beautifully highlighted with amber calcite crystals from the Minerva #1 Mine of Illinois. The purple edges really accentuate the golden-yellow interior on this glassy crystal with stepped-growth faces. Ex. Jaime Bird Collection and comes with a 1960s-70s era Ron Sohn label, a well-known Midwest dealer at that time.
23.2 x 15.0 x 9.0 cm. A fine, large cabinet specimen of glassy, transparent, pastel-green fluorite cubes to 2.5 cm on limestone matrix from recent finds at the Xianghuapu Mine of China. The fluorites are remarkably transparent.
A very light, pretty shade of pink, these crystals (to 1.5 cm) are not large, but are very transparent for the find. 9.9 x 6.6 x 2.8 cm
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Rob Lavinsky, rob@irocks.com
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