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Mineral Specimens with Fluorite
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A fabulous large crystal of “water-clear” fluorite, distinguished by having large frosted bevels around glass-clear “windows” into the transparent interior! The 4.6-cm crystal is complete all around, with the natural contact on the bottom side; just a bit of accenting matrix – nicely trimmed out. 7.1 x 5.5 x 3.8 cm
A transparent, pink and green octahedron of fluorite not from Pakistan but from Grant County, New Mexico! These are hard to obtain in this quality, and trimmed into a fine specimen as this one is. The big (3 cm) octahedron is surrounded by smaller ones on a carefully-trimmed matrix. (Note that these are always found coated and are cleaned to remove the coating). No damage, a superb example of this material! 6.6 x 5.7 x 3.2 cm
An intrepid mineral buyer who stalks fine specimens in some of the most remote places of the world brought this VERY RARE spinel-twinned fluorite crystal home about five years ago; he said he buys every one of these he sees, and that’s not many. It is a complete, TRANSPARENT pink crystal, flat and lustrous on the two side faces so that you can see right through it. From the side, you can clearly see the twinning re-entrant. There is a small bit of edge wear alon gthe top only, otherwise its in good shape. Note the interesting (and to my experience , unique) epitaxial growth of two flat, colorless fluorite crystals on the face as well! 8.5 x 5.4 x 2.2 cm
Is this not COOL!? It is a large and super-showy example of a very unusual crystal form for calcite, difficult to describe, but basically doubly-terminated, golden crystals (to over 10 cm!!) that look as if they are composites of dozens of smaller crystals. The calcites are completely exposed on a dramatically contrasting matrix of dark fluorite that really lends them pizzazz. The fluorite is composed of flat shards, out of an Escher painting, one atop another and cemented together by calcite. On the back is a minor amount of limestone matrix, as well. Basically, the piece is just dramatic and weird....and quite good, i think. There are crystals on both the front and back. This wonderful specimen came out of the collection of Tom Wiesner. 18.5 x 16.9 x 9.8 cm
A pyrite crystal is perched on a cluster of SUPER-gemmy light pink fluorite crystals, with glassy luster! The two largest crystals have an unusual beryl-like form. Fine mini! These cam eout jus tonce, in the late 1980s following anotehr smaller pocket with larger crystals, and that was it for the best pinks. Gorgeous piece, with glassy lustre, in person 3.8 x 2.8 x 2.6 cm
This locality is noted for classic rich pink fluorite on quartz, just as you see here. Several octahedral crystals of color-zoned, rich pink, translucent, fluorite, to 1.5 cm across are aesthetically perched on a colorless, gemmy, lustrous, crystal of quartz which reaches 7.0 cm in length. From this locality (or several in the immediate area), the quartz is sometimes colorless and not smoky as you often see form elsewhere in Switzerland. With teh pink on teh white, it makes for a whole different contrast than the usual pink-on-smoky situation. Very nice display specimen ! 7.7 x 4.6 x 3.5 cm
In the early 1990’s, good minerals from Dal’negorsk were plentiful, but today most of the mines there are closed, making specimens such as this one sell at a premium if they turn up at all. This is from one of the older mines there, and the gem-green variety was always rare even back then. The pastel green color, total transparency, and high luster of the large fluorite cube is superb. That crystal is almost 1 inch across! It can probably be trimmed to an even better balanced miniature . The most accurate shot for color is the photo in the upper-left. 8.6 x 5.4 x 5.5 cm
A HUGE, 6.2 x 2.6 cm, translucent, light honey fluorite ball on quartz matrix from the recent finds at the Mahodari Quarry in India. This fluorite looks like a large egg-yolk and is one of the largest fluorite balls from this locality, that I have seen. Botryoidal fluorite is known from only a few locations in the world, this one having produced the best yet seen. 8.3 x 7.5 x 4.4 cm
A CLASSIC and BEAUTIFUL Minerva #1 Mine fluorite specimen of yellow-cored fluorite crystals with razor-sharp, purple phantoms and blue outer zones. The secondary crystal has a trivial edge bruise. 5.5 x 5.1 x 4.0 cm
Until these 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 sharp octahedrons are a rich, deep pink and have fine translucency! 12 x 10 x 3.4 cm
A pretty green, stepped crystal of fluorite, with sharp faces and fine luster, from Morocco. Fine display face (back and bottom are contact faces), with attractive calcites as accent on the side face. Stunning color for the locale! 7.1 x 5.0 x 4.8 cm
Fine, deep "Blanchard Blue" crystals of fluorite to 1.3 cm on beautifully contrasting quartz! (A little less blue in person - darker and a little more "gray-blue" as is characteristic for the Blanchard; the camera has a hard time with this color). Damage is minor, especially in the main display area. 12.4 x 7.3 x 5.2 cm
This is a WHOPPER fluorite from Ruyuan, China. These are not coming out any longer; they were available in decent supply for only a very short time, and then became expensive shorty thereafter, and they still are. This huge crystal is complete all around, and is sitting nicely on a carefully-trimmed matrix. The internal fracturing you see is normal for these. 12.4 x 10.3 x 6.3 cm
A gemmy, pastel blue (with hints of purple) compound crystal of fluorite, with a beautiful staggered growth. Note the sprinkling of tiny pyrites! The back is the natural contact face. You can see right through it! 6.0 x 3.7 x 2.3 cm
A 6-cm cluster of icy-blue fluorites, beautifully perched on a plate of sparkly green muscovite. Beautiful! 10.1 x 8.9 x 5.2 cm
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Rob Lavinsky, rob@irocks.com
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share specimen![Fluorite from Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-65477a.jpg]](db_pics/mdpics/MD-65477a.jpg)
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