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Mineral Specimens with Fluorite
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7.7 x 5.4 x 3.3 cm. Two sharp, translucent, bottle-green fluorite octahedrons with purple cores are aesthetically set on starkly contrasting matrix on this excellent specimen from recent Chinese finds. The octahedra, to 2.3 x 2.2 x 2.0 cm, are pristine and have lustrous, lightly frosted faces. Ex. Jack Halpern Collection # 3763, a noted San Francisco collector.
5.0 x 4.4 x 3.7 cm. A sprig of limestone studded with tiny calcite crystals is the matrix for a single, equant, translucent, very dark purple fluorite cube 2.7 cm on a side. There are stepped faces at one corner and at that point there is a tiny bruise. Some people do not like these when so dark that they appear more black than purple, which is frankly why so few have survived.
12.1 x 9.8 x 6.2 cm. A plate of intergrown, splendent, black sphalerite is the matrix for an equant, translucent fluorite crystal measuring 4.2 cm across.
4.3 x 4.2 x 2.8 cm. A cube of translucent, purple fluorite, with some stepped faces, is perched on splendent, dark sphalerite. The fluorite measures 3.0 cm across.
3.7 x 3.5 x 3.2 cm. This nearly equant cube of fluorite is so color saturated that the very deep bluish-purple barely can be seen. It is pristine except for a minor contact on the back side. An older style, these of the dark habit, rarely saved.
6.1 x 6.1 x 5.7 cm. An equant, 4 cm across, deep lavender, fully- terminated fluorite crystal is perched on fluorite and gray galena cubes to 1 cm across. A very nice old specimen from this mine. In person, it is quite dramatic for form. The lustre is a bit off; but the color and translucency are good.
10.5 x 9.5 x 7.6 cm. This is a really fine Okorusu fluorite cabinet piece. It is nearly complete-all-around, nearly a floater. It has great transparency, and the crystals are so sharp you can cut yourself on them. The sharp cubic crystals reach 2.2 cm in size, and form elongated stalactitic fingers leaping out from a common core. I have not seen such a piece, in overall aspect, from here. It is 3-dimensional, literally spraying out in all directions, for a crystal style that tends to be only found in flat plates. Ex. George Holloway Collection (noted for fluorites and fine taste, both).
5.0 x 3.7 x 3.7 cm. A wonderful, sharp, glassy, very gemmy (virtually water clear in some areas), light blue and purple, "phantom" crystal group of "stacked" cubes of Fluorite measuring up to 2.8 cm on edge. There is some associated Quartz on the base of the specimen for a nice accent. The crystals are so gemmy that they were incredibly difficult to photograph, and honestly the piece looks much better in person. According to mindat.org, "During December of 2001 in the La Collada area of Asturias, Spain, a series of pockets of Fluorite was found. Physically they were found very close to another old find in the "El Reguerín" area, but luckily the color of these specimens is better than those from the previous find. More intense, with a spectacular color change from sky blue to mauve depending the kind of light. Their luster is better too. As is quite common in the La Collada area these specimens show naturally modified corners." Upon closer inspection, one can see that these crystals do have minor octahedral modifications on the corners. A very worthwhile and attractive Fluorite specimen from this well known Fluorite producing district.
5.0 x 3.3 x 2.0 cm. Pink fluorite from Chamonix is highly desired among all fluorite collectors, of course. But to those who have seen endless versions of the same over the years, the 1998 Point Kurtz pocket material really set a new color standard. This is more red than pink, and it is an intense hue seldom seen in fluorite. The crystals, to 1.3 cm on edge, are all transparent and gemmy. The cluster is nearly a floater, with just a small attachment contact on one edge, but otherwise complete on front, back, and other sides. Specimens of this color and from this find are seldom seen on the market today.
12.0 x 10.0 X 6.0 cm. A very unusual and fine cabinet specimen from a recent find at the Okorusu Mine of Namibia. This specimen amply demonstrates the unusual variety of colors and color combinations from this well-known locale. The very 3-dimensional surface is covered with lustrous, transparent to translucent, bi-colored, intensely stepped-growth faced fluorite cubes to 3.7 cm. The cubes have sea-green centers with variably shaded purple corners and edges. This piece is a curved crust of solid fluorite. Beautiful, large and uncommon material from this noted locale.
6.5 x 4.5 x 3.8 cm. A 3.7 cm, luscious, apple-green fluorite octahedron is set on matrix from the well-known California fluorite locality, the Felix Mine. The lustrous, translucent crystals have interesting stepped-growth/etched faces. The smaller crystal is partially contacted. Excellent purple fluorescence. This is older, now rare, highly representative, classic material. Ex. Jesse Fisher Collection, a well-known California collector.
6.0 x 4.4 x 3.2 cm. A very aesthetic and classic combination specimen from the Elmwood Mine. Two gorgeous, purple fluorite cubes, to 1.9 cm, are set on either side of a sharp, highly lustrous, partially gemmy, ruby-jack sphalerite crystal. The highly lustrous and translucent fluorites have beautiful purple color-zoning and pronounced stepped-growth faces. This striking combination piece is pristine in the display view. Ex. Jesse Fisher Collection.
8.5 x 6.4 x 3.4 cm. Gemmy and lustrous, golden-yellow fluorite cubes to 1.1 cm cover the sculptural matrix of massive purple fluorite on this excellent specimen from the famous Wolsendorf fluorite mining district of Bavaria, Germany. Yellow is an uncommon color from this noted locale. Moderate purple fluorescence.
8.8 x 8.8 x 4.2 cm. Glassy, highly lustrous, lightly frosted/etched, light green-blue fluorite cubes are fabulously and aesthetically accented with preferential fields of white, tabular baryte blades with a few needles of white strontianite. The cubes have faint, light purple edge phantoms and the largest cube is 2.7 cm. This is an outstanding curved, solid crust of fluorite from the Minerva #1 Mine. Mined calculated in the early 1980s. Classic, highly desirable, older combo material from this famous locale from the Gail Hall and Jesse Fisher Collections.
13.9 x 10.8 x 7.4 cm. A fine cabinet specimen of intergrown, translucent, "Blanchard-blue" fluorite cubes richly and aesthetically scattered on the quartz crystal matrix from the Blanchard Mine of New Mexico. The cubes have nice purple edges and reach 1.3 cm. The photos highlight the translucency and pretty color saturations, including the purple edges. Contemporary classic material.
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Rob Lavinsky, rob@irocks.com
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