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Mineral Specimens with Quartz
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This is one of only a VERY FEW specimens, perhaps under half a dozen, that came out on quartz matrix. These crystals reach 3 cm and have a natural, wet lustre to them - the best lustrous pieces of the lot were, seemingly, the ones on the quartz. Hence the higher price for the few that are so good. The matrix is actually a shard of quartz, crystallized on the display face though not elsewhere on the matrix.
A riveting piece with extra color and transparency, as the best specimens for color were associated with quartz for some reason. It is a fine miniature, for display and as an example of the species. An odd quartz seam runs through the piece, splitting the apatite crystal vein...more interesting, probably, in person
A really unusual combination piece, the only such I have seen with a CRYSTAL of quartz, in fact! Here it is nestled amongst a floater mass of disc-shaped apatites. Complete all around, though duller of lustre on the backside.
At 6.5 cm, this crystal on the right is the largest single crystal that I am aware of from the find. The crystal on the left side is 4 cm tip to tip (and is not damaged...it just has an odd ingrown face at that "hole" which is not distracting in person at all. The apatites sit flat on a flat quartz shard, which is a floater, complete all around! Because of the thin nature of the piece, it is translucent to light and shows extremely well when backlit.
A very unique piece with what lokos like a quartz shard, sticking up from the mass of apatites. The shard is perhaps a pseudomorph of quartz after anhydrite, would be my guess from the shape
A cascade of deeply colored crystals to 1.75 cm stands on top of this slender quartz shard! For some reason, it is these few crystals on quartz that have the best and deepest color and lustre. Better in person!
This is a well formed crystal of lustrous, gemmy, intensely smoky quartz, measuring 6.75 cm tall and perche dramatically with a bit of accenting matrix. It is unusual for smoky quartz crystals to be this dark (morion) black, and still be gemmy. Clean and perfect all around, this is a super piece from a new find here.
Two crystals of dark intensely smoky quartz, to 7.0 cm in length, exhibit parallel growth from a matrix of drusy white quartz and flesh colored feldspar crystals. The crystals are lustrous and gemmy and nearly pristine with only a tiny small ding on the back of the termination, on the back side. Otherwise complete and pristine all around. Very nice association on dramatic matrix, from this new find!
An original core of milky quartz was later overgrown by a dark, lustrous and translucent, intensely smoky quartz crystal measuring 9.5 cm in length. When backlit, the milky core becomes an otherworldly phantom. A nice color contrast to the smoky quartz is the associated beige colored feldspar matrix. The termination has a few, tiny, insignificant sub-mm bits of wear but i would call it "essentially pristine," and anyhow it is the largest really good smoky quartz point in this condition from this find, that I have yet obtained.
A matrix of tan albite is the host for a magnificent smoky quartz crystal, 8.3 cm in length. The quartz is dark black, glassy and gemmy and has a central termination surrounded by parallel growth crystals, giving it a cityscape appearance. This is a textbook example of a fine, pristine, smoky quartz specimen! rarely do you get them in this size range, for some reason they are usually either smaller and slender, or bigger and fatter (with often, more damage). A superb piece from this new find, way beyond the par we have seen to date. And, if it were Brazil or Colorado, it would be double or quadruple the cost, respectively, for the same "look"
The unusual characteristic of this light smoky, glassy and gemmy, quartz specimen is that certain faces exhibit preferential etching, especially the larger 8.5 cm-tall crystal. The etching is most obvious near the termination of the larger crystal. Light, pleasing color and very gemmy!
Rolling hills of glassy and gemmy, sparkling, colorless drusy quartz are the matrix for frosted, translucent, pastel seafoam green octahedrons of fluorite, to 1.2 cm in length. The color, luster and texture differences, seriously enhance this specimen. Some parts of the quartz fluoresce a bright green but the fluorite crystals fluoresce an INTENSE neon purple
A drusy, gemmy and sparkling, colorless quartz matrix is the host for several frosted, translucent, octahedrons of pastel, seafoam green fluorite, to 1.8 cm across. Under fluorescent light, some inclusions within the quartz are a neon green color but the fluorite is an INTENSE neon purple color! Longwave (purple fluorite, no orange) and Shortwave UV (green specks show inside quartz, no fluorite glow) shots are shown here.
A drusy, gemmy and sparkling, colorless quartz matrix is the host for several frosted, translucent, octahedrons of pastel, seafoam green fluorite, to 1 cm across. Under fluorescent light, some inclusions within the quartz are a neon green color but the fluorite is an INTENSE neon purple color! Longwave (purple fluorite, no orange) and Shortwave UV (green specks show inside quartz, no fluorite glow) shots are shown here.
A thin septa of sparkling, colorless, quartz druse has allowed crystals of frosted, translucent, sea foam green, fluorite octahedrons, to form above and below the plate. Very 3-dimensional!!! . Average crystal size is 1.0 cm across but the cluster atop is about 3 cm. Under fluorescent light, the fluorite is an intense, neon purple. Very aesthetic specimen, elegant, and rich with this new fluorite.
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Rob Lavinsky, rob@irocks.com
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share specimen![carbonate-FLUORAPATITE on Quartz from Sapo Mine, Goiabera, Minas Gerais, Brazil [db_pics/pics/apa2a.jpg]](db_pics/pics/apa2a.jpg)
![carbonate-FLUORAPATITE on Quartz from Sapo Mine, Goiabera, Minas Gerais, Brazil [db_pics/pics/apa2b.jpg]](db_pics/pics/apa2b.jpg)
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