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Mineral Specimens with Fluorite
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This specimen features stibnite crystals which later became coated by colorless, lustrous fluorite. This find, a one time occurrence in the late 1980’s (around 1988 if i recall), is responsible for some of the most unusual fluorites ever found. There was one dealer with one table of them at one of the small hotel shows in Tucson of that year, and I know from talking to people who were there at the short feeding frenxy that for size and overall quality, this is one of the better pieces by far: Most specimens were not nearly so 3-dimensaional or dramatic in display, and the size of the fingers here is near the maximum found. The largest crystals reach 4 cm in length with the included stibnite being easily visible through the fluorite without need for strong lighting (not always the case from the pocket!). It has very minimal damage, absolutely trivial, and is complete around the periphery too, except at the very base which points down anyhow. The one time occurrence, the combination of stibnite and fluorite, along with the specimen’s aesthetic arrangement, make this piece incredibly spectacular. 13 x 11 x 9.1 cm
This is a unique combo specimen, the likes of which I have not seen before from the locality! A cluster of translucent, frosted, tabular, cream colored, fishtail-twins of Calcite is aesthetically perched on deep purple cubes of lustrous fluorite. All are translucent, in person, though its hard to convey the fluorite's color without overexposing the calcite in the picture. The sharply twinned Calcite crystals, with extremely well-defined twinning planes running down the a axis, reach 3 cm across, while the largest fluorite crystals are 2 cm across. This is just a lovely and unique combo specimen. 6.7 x 6.3 x 5.6 cm
This wonderful and colorful specimen features the total replacement of fluorite by quartz var. chalcedony. The replaced crystal is hollow, reminiscent of those from Cornwall, England. The crystal measures 4 cm across. This is a very significant specimen for its sharpness. 5.6 x 4.3 x 2.2 cm
This is a slightly frosted, translucent, light green, spinel twin of fluorite with mm size crystals of pyrite adding pizzazz to the specimen. Highlighting the piece are the rare lustrous faces which contrast nicely with the frosted faces. Super example of spinel twinning in fluorite! 4.9 x 3.6 x 1.9 cm
One of the old classics, these transparent fluorites are peched on a GEMMY, doubly-terminated celestite spear! You seldom see them in such quality, despite a recent find at the same locality of the same combination (they are less elegant this time around than they were 30-40 years ago). 12.9 x 7.3 x 3 cm
A flattened cube of nearly transparent, rich blue fluorite, measuring 5 cm across, forms the matrix for several, cream colored, lustrous, calcite crystals, the largest of which measures 3 cm in length. There are a few cleaves mainly at lower-facing corners, but obviously the color simply over-runs any minor defect , as its so incredible visually. It is one of the most gorgeous fluorites I have seen, perfect or not. This came from one special pocket of neon blue fluorite found maybe a decade ago, and there were very few available. I have seen no other combination specimens from the find and none at all in several years, on the market. 6.9 x 5 x 4.1 cm
The pics say it all! The crystal atop is almost 3 inches and complete save for a contact in the back. Pristine on the front and sides. This is quite simply the BEST Okarusu I have ever seen...now in the Jeff Starr collection, I will happily say (Jeff is a good friend here in Dallas who took pics and helped me out over the summer). 7.9 x 5.9 x 5.4 cm
A gemmy. glowing compound crystal of very light pastel pink and green fluorite, perched on a matrix of muscovite. 4.9 x 3.3 x 3.2 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. Occasionally, such as with this particular piece, you get the wonderful clarity of an Alpine piece as well. These octahedrons measure up to 1.8 cm on edge. Rich, deep pink color . . .from a really great batch we got recently. Crystals to 2 cm. 7.1 x 5.2 x 3.3 cm
A large and dramatic specimen featuring gorgeous gem-like fluorites perched right on quartz crystals, like jewels! 10.2 x 8.9 x 7.3 cm
This is a polished slice from an Illinois fluorite crystal. It is hard for the camera to pick up the distinct zoning lines inside this specimen, but suffice it to say there are sharp lines of purple and teal-blue delineating the zones inside this fluorite crystal as it grew. The edge shows the stepped growth of the crystal. 7.1 x 5.1 x 1 cm
Gemmy, deep purple crystals to 1.2 cm. on a stark white contrasting matrix. 3.6 x 3.4 x 1.7 cm
A relatively large plate of bright pink fluorite from Mina Navidad. 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 octahedrons measure up to 2 cm on edge. White matrix mineral deposited between some of the crystals provides relief and contrast. 15 x 10 x 4.6 cm
This wonderful fluorite find was so small that it was virtually overlooked, and I have bought up every good specimen I could find. The fluorites were found in an extremely inhospitable area of the Sahara desert, alternately very cold and very hot, and the clusters are spread out and isolated in crevices rather than in pockets where you can take out a number of specimens at a time. So the mining was extremely painstaking, and the miners have given up, probably for good. The crystals have a unique silky luster and intense purple color. If you buy one of these, you will be one of the few who has one in their case. And it is not just rare, it is doggoned BEAUTIFUL! 4.8 x 4 x 3.3 cm
Look at this fine old mini of Flambrough Quarry fluorite! The crystals, to one centimeter, have the characteristic light coffee color and fine transparency and sharpness. Not easy to obtain on the market! 4.3 x 3.4 x 2.8 cm
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Rob Lavinsky, rob@irocks.com
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