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Mineral Specimens with Fluorite
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7.9 x 7.4 x 3.0 cm. Botryoidal fluorites are rare, and therefore there was big excitement with this find of stunning purple botryoidal fluorite in China. Sizes ranged from cute thumbers to very large cabinet specimens. This one is a great size for many collections, and a perfect example for the find, with two symmetrical shallow domes, around 2.5 cm thick.
2.4 x 2.1 x 1.8 cm. These pretty purple intergrown octahedra are instantly recognizable as from New Mexico. A wonderful thumber with the translucent crystals piled up on one another, and complete all the way around the specimen.
8.7 x 7.3 x 6 cm. This is one of two such oddball fluorites that I saw come out of Pakistan in 1991. The large 4.5 cm pastel pink Fluorite has very good luster and clarity, sits beautifully on a bed of Muscovite crystals, and has nestled against one corner a few Aquamarines. A wonderful combination piece, with an eye-popping fluorescence to boot. There is some minor edge wear, and a contact point on the back. Overall, a terrific specimen.
18.5 x 11.5 x 5 cm. A terrific combination piece from the famous Elmwood Mine in Tennessee. The classic Baryte and Sphalerite is capped by a beautiful purple Fluorite that is 5 x 5 x 2 cm, and partially gemmy through and through. Although there is a little bit of edge wear on the Fluorite (thus reducing the value but not the showiness and impact visually of the piece), this Large Cabinet specimen is very aesthetic and virtually irreplaceable!
8.7 x 5.6 x 3.5 cm. Equant and sharp Quartz crystals grown over one side of a beautiful plate of gemmy clear-to-green Fluorite crystals. The Fluorite crystals, the largest of which is 1.4 cm, has excellent fluorescence (after all, this is where the word "fluorescence" is derived), good luster and color, and very sharp cubic habit. There is minor edge wear. A very fine specimen from a classic locality.
4.3 x 3.6 x 1.6 cm. A brief period in the early 90’s produced these wonderful combination pieces from the former Soviet Union. The gemmy purple Fluorites, which range up to 3 or 4 mm in size, have excellent luster and a fine rich color. The intergrown Stibnite crystals, which grow up to about 2 cm, have a secondary Quartz coating which adds even more visual interest to the piece. A very fine, aesthetic specimen rarely seen anymore on the market.
16 x 15 x 8 cm. The Blanchard mine is world famous for several minerals, one of them being the deep blue Fluorites. This large cabinet specimen is a knockout - richly covered on the front and top with many dozens of Fluorite cubes. The luster is very typical for the locality - frosted and bright. The color is very deep, with subtle but noticeable purple highlights throughout. The largest Fluorite cube is 1.9 cm, and many are in the 1.5 cm range. If you ever collected there, you know how insidiously hard the silicified limestone country rock is - some crystals on here are cleaved on the corners, and that is to be completely expected. Overall, a fabulous and highly desirable deep blue Fluorite.
3.5 x 3 x 2.8 cm. Okorusu Fluorites are famous for their sharp, distinctive green, purple and clear zoning. What makes this piece exceptional for the location, and wonderful for any Fluorite, is the superb luster and fantastic gemminess that you rarely see from Okorusu. The largest cube is 1.3 cm. There is a little edge wear, but it in no way diminishes how good this Fluorite cluster is. A terrific miniature of old-style quality no longer seen today.
7.1 x 4.7 x 1.6 cm. A superb specimen from one of the great localities. This gemmy and clear 0.7 cm modified cube has excellent luster and form. The fine Calcite crust that it rests on has an incredible fluorescence. Simple, elegant, and wonderful in its own way.
7.5 x 7.3 x 6 cm. An aesthetic and classic specimen from one the US’s great localities. These beautiful and gemmy penetration-twin Fluorite cubes have good color, fine luster, and the exact mineral combination that you would look for from Elmwood. The main cube is an amazing 4.5 cm across! Contacted in the back, naturally. The front center corner is chipped, but visually it makes almost no difference to the quality of the specimen - your eyes are drawn to the outer corners, where the Fluorites have the clear corners that many Elmwood Fluorites are famous for. Overall, a visually stunning specimen.
8.3 x 4 x 2.5 cm. An attractive "arrowhead" plate of sharp clear Fluorite cubes richly included with Sulfide phantoms. A close look reveals just how well-defined these phantoms are, and just how attractive and clear the Fluorites are, as well. The largest cube is 1.4 cm. There is some contacting near the bottom, but it detracts little from the overall value and aesthetics.
6.1 x 4.2 x 1.2 cm. A very nice piece of botryoidal Fluorite from perhaps the world’s best-known locality for this habit. This old-timer is attractive and has a good fluorescence. Naturally, broken off at the contact to be collected. You don’t find these available very often.
3 x 2.5 x 1.2 cm. Beautiful, lustrous, and gemmy tabular Fluorites from one of the best known localities in China. The color ranges from clear for the majority of the crystals to a sharp distinctive purple zone along the edges. Hard to tell from the pic because of the contacted surface below, the Fluorites are virtually water-clear. Better in person. A very fine large thumbnail.
7.5 x 7 x 4.4 cm. A very fine cluster of clear, gemmy Fluorite cubes (largest 1.5 cm) with beautiful phantoms of fine sparkly Marcasite. There is contacting along the sides, naturally, and one bruise along the top, but still a very attractive English Fluorite.
5.5 x 4 x 2.7 cm. A choice specimen of pink rhombohedral Rhodochrosite and light green octahedral Fluorite. The Rhodo measures 1.2 cm in length and the rough Fluorite octahedron 1.1 cm on edge. A very aesthetic combination piece from a classic US locality.
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Rob Lavinsky, rob@irocks.com
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