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Mineral Specimens with Quartz
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11.5 x 8.5 x 6.8 cm. An old-time and aesthetic cabinet cluster of glassy and transparent amethyst crystals with a variable purple color intensity from a classic South Carolina locality - Due West. The fat, upright crystal is 4.9 x 4.2 x 4.0 cm and some of the other crystals are doubly terminated, including the largest, at 6.8 cm. The small bed of milky quartz crystals is a very nice accent. Some of the finest Eastern USA amethysts have come from Due West. Accompanied by a Larry Conklin label. Ex. Feist Collection.
8.9 x 7.2 x 5.4 cm. A fine spessartine garnet and smoky quartz specimen from Tongbei, China. An imposing, 5.5 cm, mostly enveloped, smoky quartz "sentinel" protects the upright matrix plate covered with gemmy and lustrous, orange spessartines. Smaller smoky quartzes poking out are a nice accent. The termination of the smoky quartz is spessartine-free.
7.4 x 4.7 x 3.5 cm. A beautiful, two-sided combination specimen of gemmy quartz crystals aesthetically scattered and set on a crust of botryoidal, translucent prehnite of a gorgeous light mint-green. The two minerals complement one another beautifully on this specimen.
14.4 x 7.8 x 6.5 cm. A fine cabinet quartz specimen from the well-known Frosnitz Valley of Austria. A 14.3 cm, doubly terminated, glassy, transparent to translucent is aesthetically perched on partially etched crystals. The doubly terminated crystal is nicely accented with brown inclusions in the transparent area and is nearly pristine. Ex. Rolf Wein Collection, a noted Alpine specialist.
4.4 x 1.4 x 1.3 cm. A fine sceptered smoky/amethyst quartz specimen from the Goboboseb Mountains of Namibia, The intensely purple and glassy amethyst shaft has gemmy, smoky quartz scepters on both ends. The two, staggered scepters are beautiful and some faces have skeletal features. The amethyst shaft is broken and healed on the other end and one side of the smoky scepter is contacted. Ex. Rob Smith Collection.
6.8 x 2.2 x 1.5 cm. A really fine and aesthetic combination piece from the Brumado Mine of Brazil. Gemmy and lustrous, tabular, green uvites are scattered around on and in the base of the quartz crystal spear. The quartz crystal is pristine and is water-clear. The large uvites are damage-free and the couple of broken smaller crystals are certainly not much of a detraction.
6.3 x 3.3 x 1.7 cm. A fine specimen of water-clear, glassy, tabular quartz crystals with a very distinct curved faden or "string" running the length of the piece from a recent find in Pakistan. Most of the crystals are doubly terminated and the piece is nearly a floater. This piece has a rich, very interesting, preferential chlorite coating.
5.6 x 4.8 x 4.1 cm. Lustrous, brassy, rosettes of intergrown pyrite crystals are aesthetically and richly scattered on the 3-dimensional quartz crystal matrix on this excellent and very showy specimen from recent finds at the Fengjiashan Mine, China. This is an unusual Chinese pyrite form.
7.7 x 4.5 x 3.8 cm. An aesthetic and uncommon Indian combination specimen of a 3.0, translucent, light golden-yellow, compound fluorite ball perched on a crust of glassy, colorless quartz crystals. The quartz collar around part of the base of the fluorite is a very nice accent. This specimen is from the much less well-known Jamner locality, Jalgaon District.
7.0 x 5.2 x 4.2 cm. A fine cluster of intergrown, translucent, "Blanchard-blue", fluorite cubes encircled by glassy, colorless quartz crystals from the Blanchard Mine of New Mexico. The cubes have nice purple edges and reach 1.5 cm.
6.1 x 1.8 x 1.4 cm. A fine cluster of gemmy, green tourmaline crystals beautifully accented with water-clear smoky quartz crystals from the Pederneira Mine of Brazil. A highlight to this piece is the doubly terminated quartz crystal that is surrounded by three tourmaline terminations. The terminations are all pristine, with one being broken, but healed.
Four crystals of this rare copper/zinc phosphate hydroxide, to 6 mm, on a pretty matrix of chrysocolla. 3.5 x 2.5 x 1.7 cm
A DRAMATIC Mexican specimen, featuring a frosted euhedral calcite crystal standing starkly alone on its edge, on a bed of very light-colored amethystine quartz. The calcite is complete and undamaged all around! 11.2 x 8 x 6 cm
A strange and beautiful pseudomorph, specifically a cast, of light green quartz that formed on crystals of calcite, with the calcite later being naturally etched away, leaving the quartz with the form of the calcite crystals – EXCEPT for the beautiful tiered structure of the faces, which was not part of the original structure of the underlying calcite, but an added “decoration” that makes them look like some sort of ancient pyramids or ziggurats. 10.7 x 8 x 5 cm
An absolutely stunning gem combo specimen that I am selling for a local friend, who cherry-picked from Herb Obodda after his return from Pakistan four years ago, on his way to a show. Cal Graeber trimmed into a far BETTER specimen. Herb, in fact, considered it one of the best combo pieces he had owned of this particular mix. On a rising bed of albite are two GEM topaz crystals (one behind the other) and an equally gemmy aquamarine, jutting dramatically in front of an Alpine-quality gemmy smoky quartz. You can look right into the C-axis of the aquamarine, and it is so glass-clear you can see all the way to the matrix. Same with the topaz in front. Due to the great trim job to provide balance to the specimen, it is just exquisite! 8 x 7.8 x 5.5 cm
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Rob Lavinsky, rob@irocks.com
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