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Mineral Specimens with Fluorite
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A large specimen, with a recess in the matrix that is filled with crystals of purple fluorite to 1.2 cm across. The crystals range from medium-purple to nearly colorless. 13.5 x 9.5 x 4.1 cm
Crystals of the classic light teal-blue to just under a centimeter, with fine transparency. 6.5 x 6.0 x 3.7 cm
Sharp, gemmy crystals to 1 cm of the light teal-blue color the Blanchard is famous for. 6.1 x 2.8 x 1.9 cm
As specimens such as this disappear quickly from the market with the mine now closed, you appreciate them more and more. This is a doubly-terminated twin of golden calcite, with both gemmy tips complete, perched right on top of several transparent purple fluorite crystals, which in turn sit on a bed of crystallized sphalerite! The calcite twin measures 8 cm, and shows only a minuscule bit of edge wear on the tip, in fact QUITE minimal considering the vast majority of these show wear. This is a really showy and beautiful Elmwood combo piece! 8 x 8 x 7.4 cm
A completely damage-free specimen of fine fluorite cubes from Okarusu, with the classic deep green-purple color. Crystals measure to 1.8 cm. Wonderful overall form! 6 x 5.6 x 4.3 cm
Unusually transparent crystals, to just over one centimeter, that you can see the matrix right through. This is unusual for Okarusu fluorites. They show beautiful blue-green color with purple accents. 7 x 4.7 x 3.8 cm
Crystals of deep purple-green to 1.5 cm. The specimen wraps around a knob of matrix 3-dimensionally. There are a couple of dings and a contact on the periphery of one crystal, but this is nevertheless a nice fluorite specimen. 5.8 x 5.4 x 4.4 cm
7.9 x 6.0 x 5.1 cm. Superbly crystallized, lustrous, black sphalerite crystals with red highlights, to 1.7 cm in length are the host for two discrete rosettes of light tan baryte, to 3.25 cm across along with a single, glassy and gemmy, lavender colored fluorite crystal, to1.1 cm across. Obtained in the 1980s from Ken and Betty Roberts. Ex. Jack Halpern Collection.
2.7 x 2.5 x 1.8 cm. A fine fluorite specimen from the recent, very highly touted finds at Riemvasmaak, South Africa. Gemmy and lustrous, unique grass-green fluorite octahedrons to 2.6 cm are beautifully clustered and intergrown together. This showy cluster is pristine, complete all-around. The color is intense, deep green.
12.9 x 6.8 x 6.4 cm. A fine cabinet combination specimen from Bulochi, Pakistan. Two gemmy and lustrous, bright, mint-green fluorite octahedrons are partially hidden behind two lustrous, black to green tourmaline crystals to 4.7 cm. The fluorites and tourmalines are embedded in the side of a lustrous, lightly frosted, translucent, colorless, terminated quartz crystal. Adjacent to the quartz terminations are feldspar and broken tourmaline crystals.
11.3 x 8.6 x 5.7 cm. A classic, old-time and fine German cabinet fluorite specimen with an excellent provenance. The glassy, colorless, cuboctahedral fluorite crystals on this 3-dimensional piece have a preferential overgrowth of matte-finish, light rust-red hematite. A few of the crystal faces have an additional, preferential overgrowth of sparkly, golden siderite microcrystals. This historic piece hails from the famous Harz Mountains. Ex. Bement, American Museum and Herb Obodda Collections. Obviously around 100 years old or more.
7.4 x 6.9 x 6.7 cm. A fine fluorite specimen from the recent, very highly touted finds at Riemvasmaak, South Africa. Gemmy and lustrous, unique grass-green fluorite octahedrons to 3.0 cm are beautifully clustered on all sides of the starkly contrasting, 3-dimensional quartz-rich matrix. This specimen, with the large octahedron dominating the top is nicely complimented by the nearby, isolated, smaller crystal. All of the major crystals are pristine. The color is intense, deep green.
11.2 x 8.5 x 2.4 cm. Until these lustrous, translucent, pink fluorites were discovered in Mexico, Peru and the Alps were the only sources for pink fluorite, and the cost of a specimen such as this was (and still is) astronomical from those localities. These octahedrons measure up to 1.7 cm, and have vivid, deep pink color against the beautifully contrasting white matrix.
7.5 x 6.3 x 6.1 cm. A fine and beautiful fluorite cube attached to a bit of sphalerite matrix from the Elmwood Mine and the Consie Prince Collection. The glassy, translucent, light purple cube has beautiful, stepped-growth faces. The color is very pleasing - lighter than normal and so more translucent to light.
7.2 x 6.2 x 5.5 cm. A fine mounded specimen of intergrown, translucent,"Blanchard-blue" fluorite cubes richly piled atop a quartz matrix from the Blanchard Mine of New Mexico. The iron-stained quartz underneath some of the cubes gives them a yellow cast.
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Rob Lavinsky, rob@irocks.com
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