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Mineral Specimens with Fluorite
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9.7 x 7.2 x 4.5 cm. A carefully-trimmed specimen showing an unusual combo of sea-foam green fluorite intergrown with a large, complete scheelite crystal. The scheelite is a light tan color, and actually looks a lot more like an Indian powellite than a scheelite! It has fine luster, and measures 4 cm across. The matrix is calcite, which on the backside of the specimen appears as a plate of shiny rhombs.
10.6 x 8.6 x 3.8 cm. A GORGEOUS combo specimen, pairing light beautifully beveled and stepped fluorites of light sea-foam green with stacks of delicate poker-chip calcite. The fluorites measure to 2 cm. The calcites and fluorites are so well balanced on this specimen and complement one another so beautifully.
6.4 x 4.5 x 3.1 cm. Look at how the green octahedral fluorites tucked in the nook of this quartz cluster just GLOW like gems! They are not the dull green color of many Chinese fluorites, but the particular minty bright color peculiar to the Daye Mine. The quartz crystal itself has a very sharp phantom inside of it, its faces outlined clearly by tiny blooms of chlorite which were deposited on its surface before growth continued and engulfed it.
7.4 x 5.7 x 5.2 cm. The camera had a very hard time picking up the subtle, pretty light green color of this specimen. It is NOT colorless! The large modified cubes have pebbled bevels around the edges, with clear windows on the faces looking into the glass-clear interiors of the crystals. The crystals are large, measuring to 3.5 cm across the edge.
16.3 x 13.6 x 10.8 cm. A large, gorgeous classic from Berbes, a real showpiece! What is really cool about this specimen is that the gemmy purple fluorite crystals are isolated rather than massed together, set on a bed of smaller transparent fluorites and quartz. Blooms of snowy barite decorate the specimen in a fine balance. The surface sparkles with the fine luster of the purple and transparent fluorites. There is a pocket in the top of the specimen, and if you look into it, you can see that it too is lined with crystals, a sort of mini-vug within a specimen! You cannot find this combinatorial classic in such quality easily, any more.
3.2 x 2.5 x 1.8 cm. China keeps producing great quality, crystallized display specimens and has provided collectors with more fine quality minerals than virtually any other country in recent memory. Here we have a very attractive crystal group of light lilac color cuboctahedra with medium luster and relatively sharp faces. The center of the largest crystal shows some dark purple cubic phantoms. The piece is associated with minor white Dolomite rhombs for a nice touch.
8.4 x 7.7 x 7.1 cm. From a NEW find in Yunnan Province, delicate dove-grey stalactitic "fingers" of fluorite, a cluster of four undamaged ones centered on the matrix here with nicely graduated sizes. There is damage around the edges from removal from matrix, but none to the central fluorite stalactites. Note that stalactitic fluorite is quite rare compared to the usual calcite or chalcedonic varietals that usually form them!
10.2 x 5.4 x 2.9 cm. A specimen of the justly famous "water-clear" fluorite from Dalnegorsk - sadly, coming out in this form rarely these days. These crystals are in pristine condition, which is really hard to find amongst the clear cubic specimens that dribble out now. The vast majority are dinged. The largest crystal here measures 2 cm along the edge. The crystals are richly piled up over the whole plate.
4.8 x 4.5 x 3.8 cm. This is NOT your run-of-the-mill Chinese fluorite specimen! It is a complete crystal, with no contacts or damage, sitting on an incredibly well-trimmed matrix with accenting gemmy quartz crystals and pyrite. The fluorite measures just under 4 cm across the edge, so it is quite sizeable. But more importantly, it is super-gemmy, a beautiful light teal color, with an intense, sharp purple phantom inside!
5.6 x 4.6 x 4.6 cm. Botryoidal fluorites are prized from anywhere. This is a rare purple one from the old Santa Eulalia locality, a perfect and complete coil, complete all around with the contact on the bottom. Its surface is crystallized, with very small flashing faces. It is translucent, with a pretty lavender interior glow. Ex. Marty Zinn collection.
12.4 x 6.4 x 5.1 cm. An extremely unusual combo specimen from Kazakhstan, of good size! This fascinating piece is a free-standing intergrowth of purple and gray fluorite octahedrons with quartz crystals, both conventional in form and tabular. Pyrite here and there adds a sparkly golden accent that does not come through very well in the pics. Fluorite octahedrons alone from Kazakhstan are exceptional, and this sculptural piece with quartz is rare indeed. Ex. Ed David Collection.
4.9 x 4.4 x 3.6 cm. These Grant County octahedrons of dark purple fluorite on a stark white contrasting matrix have become more and more scarce over the years; there was a time when it was not hard to find one on the market, but they are just not around anymore. This one came out of the Judith Lynn Mine. Its crystals measure to 1.5 cm on edge. Ex. New Mexico Mineralogical Museum.
5.9 x 4.1 x 1.3 cm. Fine plate of very uniform .5 cm Fluorite crystals that are gemmy with a silky transparent luster. The lovely yellow color is very reminiscent of the famous Fluorites of Asturias, Spain that came out in the 70’s and 80’s. What make this specimen unique are the three generations of crystals. First are pure yellow crystals, followed by a generation of yellow cubes with a small, well-defined brown core. The final generation consists of yellow crystals with a much larger central brown core. Very attractive. And this is from Erongo, no less!
8.3 x 5 x 3.5 cm. Fluorite balls from India, both golden and red, have been justifiably famous for years now. However, up until we received the Key collection last year, very few people knew that PURPLE Fluorite balls even existed from Mahodari. Sitting in a bed of quartz crystals on agate, this is really quite attractive in its own right.
7.6 x 5.4 x 3.4 cm. The discovery a few years ago of beautiful green Fluorites with purple edging were quite the sensation, and they still command high prices and much attention. The Fluorites (almost 1 cm in size) have the same intense green color and purple zoning by the corners, and many have modified corners (cubes modified by octahedrons, I believe). The luster is good, and the crystal surfaces vary from glassy smooth to slightly etched. Combined with the Muscovite and the Albite, this has proven to be a classic locality.
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Rob Lavinsky, rob@irocks.com
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