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Mineral Specimens with Fluorite
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9.0 x 6.5 x 5.6 cm. A huge crystal of purple fluorite from the Elmwood Mine. The display side of the crystal is complete, and the backside where it was once attached to the pocket wall demonstrates with its thousands of microfaces that it came loose in the pocket and then naturally healed - making it technically a floater now. In a way this is very fortunate, because it means that light can get to the back of the crystal so it can light up a rich purple under good light; had the crystal been a more entire cube, it would have been almost opaque except under the most intense light. Atop the crystal sits a calcite crystal of unusual form and color (colorless) for the mine, along with a bit of dolomite. A super-sharp phantom is visible inside when the crystal is viewed from the bottom, also quite unusual for the Elmwood. Ex. Consie Prince Collection.
18.9 x 14.0 x 6.2 cm. A large specimen of the famous "Blanchard Blue" teal-blue fluorite from New Mexico. The series of mines at the Blanchard locality has also turned out purple fluorites, and the find from which this specimen came is special in that you see a combination of the colors - mostly "Blanchard Blue" but with hints of the purple here and there. The crystals measure to 2.2 cm along the edge.
3.9 x 3.4 x 2.2 cm. This specimen is from an old stash from an unusual pocket where the sphalerite had a stunningly colorful iridescence to it. Both the sphalerite and fluorite are complete (flat matrix contact on back of specimen) - the sphalerite has dozens of microfaces on it. What is interesting is that there are also some sharp euhedral isolated crystals of sphalerite elsewhere on the matrix, and they too are highly iridescent.
4.8 x 4.6 x 3.1 cm. A rare, 2.1 cm, etched, purple fluorite cube perched atop a sliver of matrix and nicely complimented by smaller, un-etched fluorites from the Mina Ojuela of Mexico. The cube is essentially water-clear. A fine and uncommon fluorite varietal from this very well-known locale.
5.0 x 3.9 x 2.4 cm. A fine Erongo specimen of lustrous, gemmy, water-clear, color-zoned green fluorite cubes to 8 mm richly and aesthetically scattered on contrasting, corroded feldspar matrix. Several of the fluorites have hints of purple and many of the cubes have modified cuboctahedral corners.
4.4 x 3.3 x 2.5 cm. Pink fluorite from the Swiss Alps has been a treasured classic for 100 years now. This is a beautiful full miniature-sized specimen with a large number of translucent, pink octahedra perched delicately on adularia matrix. Ex. Ryan Bowling Collection.
12.9 x 9.4 x 5.4 cm. Complex, frosty crystals of fluorite with water-clear interiors cover a matrix of solid galena, with a layer of bright galena crystals underneath the fluorites. Patches of quartz and calcite crystals add a pretty accent to the fluorites. The fluorites alternate frosty faces with transparent "windows" into the clear interiors. Ex. Consie Prince Collection.
11.0 x 10.4 x 7.0 cm. As with the pink fluorites from the same locality, until these creedites were discovered, good crystallized specimens were exceedingly rare and expensive from any locality. Then, the mining was finished, apparently for good. This is a large aggregate of floater balls, covered with bright, gemmy creedite crystals. The creedite is accented, as these only once in awhile are, with teal, green and blue fluorite.
10.4 x 9.4 x 7.0 cm. An exceptionally pretty and quite large specimen of fluorite from China, in wonderful condition. The crystals, with fine transparency, measure to 2.5 cm along the edge. Those are natural bevels on the corners. You can see little sparkly calcites on selective faces of the fluorites.
7.9 x 6.4 x 3.1 cm. Botryoidal fluorites are quite rare from anywhere, so naturally this find of wonderful purple botryoidal fluorite in China caused a lot of excitement. Sometimes they can be a bit coated and dull, but this one has excellent surface quality, and is wonderfully translucent under good light.
5.8 x 4.6 x 3.5 cm. A rare and striking combination specimen from the Erongo Mountains of Namibia. A very sharp, translucent, two-toned green fluorite octahedron with very interesting, stepped, secondary overgrowths is stunningly flanked by glassy amethyst crystals with gorgeous, star-shaped, oriented, darker amethyst areas. The fluorite is beautifully lustrous. These came from a rare, one-time pocket find.
18.7 x 7.8 x 6.7 cm. Translucent, sharp crystals to 3 cm on all sides make this a superb specimen, from new finds here in South Africa. It is big, intensely colored, and has top lustre and clarity for the find.
4.3 x 3.3 x 3.2 cm. This is a great specimen from one of the most storied and well known districts in Colorado. The pegmatites near the Lake George area of Colorado have produced what most collectors and dealers consider to be the finest Amazonite specimens from the standpoint of superb color, top quality, wonderful display specimens and excellent associations. This particular specimen has no Amazonite, but it is a fine piece featuring sharp, lustrous, golden-black "needles" of Goethite sitting atop gemmy lilac color Fluorite. The association of these two species is not very common from this area. Keep in mind that this specimen was collected nearly 30 years ago (August of 1980), when Richard Kosnar found some of the finest color Amazonite from Colorado extant. Ex. Richard Kosnar Collection.
8.1 x 4.7 x 4.7 cm. Mt. White is a great pegmatite locality in central Colorado, but unfortunately sits in the shadow of the more prominent Mt. Antero, so it doesn’t get as much attention. This area has produced some very interesting specimens in its history, and this piece is a great example. This piece was collected by the Colorado collector George Robertson in July, 1982, and was a gift to Richard Kosnar shortly after it was found. This piece hosts several soft green and purple color-zoned, octahedral Fluorite crystals sitting on minor Albite. It has good translucency and a soft matte luster, but is fine for a Pegmatite Fluorite from Colorado. Ex. Richard Kosnar Collection.
3.2 x 3.1 x 2.1 cm. The Huanzala mine in Peru has produced some of the most attractive and impressive Fluorites from all of South America. The mine has produced both green and pink Fluorites, and even pieces with both colors in the same crystal. This highly modified Fluorite crystal (a combination of cube, octahedron and dodecahedron) has a lovely "water green" color with excellent transparency on one side, and a contrasting "frosted" appearance on the other side. There is some minor associated Pyrite at the base of the crystal.
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Rob Lavinsky, rob@irocks.com
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