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Mineral Specimens with Fluorite
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8.4 x 7.5 x 5.1 cm. These are some of the most distinctive and unique Chinese Fluorite specimens that I have seen. They have a very interesting color which in reflected light shows a golden-yellow hue, but with transmitted light, one can see a brighter/richer yellow color and small patches of purple as well. Upon close inspection, one can see the piece is filled with sharp, distinct, gem quality cubic crystals to create a very attractive "mound". The crystals actually appear to be completely water clear in areas. This is certainly uncommon for Fluorite, and really stands out amongst the wide variety of Chinese Fluorites that have come out over the last 10-12 years.
17.2 x 11.1 x 9.8 cm. A cluster of fluorite crystals, huge for this style from the Elmwood. I have seen dark purple crystals from there now and then in very large sizes, but very rarely the ones with yellow interiors. These are basically golden-yellow crystals with purple highlights; the purple is on the exterior skin. There is a compound crystal here that measures over 6 cm across. These are the type with the intensely gemmy golden corners that are distinctive from the Elmwood - sometimes cut into gemstones due to their clarity, or, sometimes seen naturally-etched from corrosive solutions in the pockets so that only these golden corners are left, with the back of the crystal being etched away into a cone shape.
6.6 x 6.4 x 5.0 cm. Lustrous and glassy, sea-green fluorite octahedrons richly and aesthetically clustered on sulfide matrix and nicely accented with pastel-pink rhodochrosite form a fine specimen from the American Tunnel of Colorado. There is even a nifty, little, hollow or cave with rhodochrosite in it. Ex. Mark Feinglos Collection.
4.5 x 3.8 x 3.3 cm. A sharp, gemmy, transparent fluorite crystal measuring 2.7 x 2.3 cm, nicely ensconced in muscovite matrix. It is a superb little fluorite specimen.
If you have been searching for that one great Okarusu fluorite, this is it. The main 2.5 cm (!) crystal has superb clarity for the location, an outer zone of purple, and TWO inner well-defined green zones (one of which is a complete central green cube). BETTER IN PERSON! By any fluorite definition, this is a killer specimen and a must for the serious collection. This is quite literally one of the best couple of Okorusu specimens for its size that I have seen. It is perfect save for one trivial micro-ding, so insignificant compared to the importance of this piece that my reaction was “So what?” as I gazed at that marvelous green zoning. You can look right through this large crystal to the matrix beneath, it is so clear and transparent! 7.4 x 5.7 x 3.0 cm
6.0 x 4.1 x 3.0 cm. A superb fluorite specimen from the Yaogangxian Mine of China. Very glassy, water-clear, sea-green fluorite cubes to 2.5 cm are artfully set on muscovite matrix. The fluorite cubes have excellent purple edge phantoms.
10.8 x 7.0 x 6.9 cm. A fine cabinet cluster of large, glassy, lightly frosted, transparent, light sea-green to nearly colorless, fluorite cubes from the Italian locality of the Corvara Mine, South Tyrol. The large cube in the right, front is 4.8 cm across and the big, perpendicular crystal behind it is 6.0 cm. Highly representative of this historic locale, where mining started in 17th century as a silver mine. Ex. Rolf Wein Collection, a noted Alpine specialist.
9.6 x 7.0 x 4.4 cm. A fine, layered combination specimen from recent finds at the Moscona Mine of Spain. A "snowy", preferential dusting of tiny, sparkly, white baryte blades coat glassy, transparent, nearly colorless calcite rhombs to 2.6 cm. The calcite rhombs rest on highly lustrous, transparent, two-toned fluorite cubes - some fluorites are amber and some are grayish-amber.
10.4 x 8.2 x 2.4 cm. The beautiful balance of fluorite and crystallized sphalerite here looks a lot more like Elmwood than Illinois, but the razor-sharp, silky faces of the crystals say "Illinois". This is an unusual-looking specimen for this locality, and just beautiful. The crystals measure to 2 cm on edge. These pretty crystals even have phantoms inside.
8.4 x 5.9 x 2.1 cm. Three glowing octahedrons of fluorite, in pristine condition, on a flat sheet of lighter-colored fluorite crystallized on its surface, from the prolific and always-surprising Daye Mine. The largest of the crystals measures 3.7 cm along the edge.
7.0 x 3.9 x 3.0 cm. These Riemvasmaak fluorites are always pretty when the crystals are transparent and sharp as these are, but this specimen is truly unique. Why? Because the fluorites grew on the side and base of a sharp, euhedral crystal of milky quartz - which then grew partly around the fluorites. Interesting and unusual. The larger fluorite measures 1.5 cm.
10.1 x 9.9 x 5.6 cm. Huge crystals of transparent fluorite, to over 5 cm along the edge, from Berbes. They have just the faintest hint of lavender to them. The faces (and crystal edges) show complex stepping that makes them particularly pretty, along with a fine luster. What is more, the backside of this specimen is completely crystallized as well - probably this cluster came away from the pocket wall in the pocket and faces formed on the back, so it is complete all around, top and bottom, essentially a floater. Ex. Frank Hisson and Herb Obodda Collections.
12.3 x 9.4 x 4.9 cm. A plate of teal-blue fluorite crystals from the Blanchard Mine, from a recent find that was distinguished in that some of the typical teal-blue crystals have touches of purple. Some of the shafts at the Blanchard locality produced purple fluorites, but the two colors are generally not together on the same specimen.
17.8 x 15.5 x 14.2 cm. A large knob of fluorite from the Blanchard, not of the more familiar teal-blue color, but purple (there are several shafts there, and some of them produced purple and even light green fluorite, though you do not see these as much). Some isolated crystals here have a white coating on them.
7.0 x 6.0 x 4.8 cm. A very unusual and showy, knob-like, spiky cluster of purple to brown fluorite pseudomorphs after sharp calcite scalenohedrons. This complete all-around and nearly damage-free specimen hails from the less well-known Aurora Mine, Cuchillo Parado, Chihuahua, Mexico. The little fan-like rosettes of an unknown mineral scattered on the specimen are a vey nice accent. Rare and excellent material from this locale.
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Rob Lavinsky, rob@irocks.com
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