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Mineral Specimens with Quartz
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21.2 x 8.8 x 2.3 cm. On a large plate of sparkly, dove-grey quartz are a couple of dozen balls of velvety white okenite - each made up of thousands of extremely fine, filament-like crystals.
9.4 x 7.3 x 4.1 cm. Two sharp crystals, the larger measuring 3 cm, with slightly frosted faces, isolated on the white quartz matrix.
23.3 x 17.6 x 9.7 cm. These purple fluorites came out of De’an at the same time as the better-known purple and green octahedrons; this was the rarer type of the two to come out during these finds. There are dozens of tightly intergrown crystals here; the individual crystals measure to 2.5 cm.
10.5 x 6.5 x 2.5 cm. A fine chabazite plate from the famous Upper New Street Quarry of Paterson, New Jersey. Large for the locality, up to 9 mm, lustrous, tan chabazite rhombs are richly and aesthetically scattered on a flat-lying vug covered with sparkly micro quartz crystals and accented with lustrous, colorless calcite rhombs. Collected in 2007.
4.2 x 3.5 x 3.1 cm. A classic specimen from the famous Emke Mine at Onganja, Namibia. A gemmy, highly lustrous, 1.7 cm, blood-red cuprite rests in a quartz-lined vug. The cuprite and quartz are fantastically accented by lustrous, primary malachite blades. Ex. Martin Zinn Collection.
6.5 x 5.0 x 2.5 cm. A gemmy and lustrous, cognac-colored topaz crystal wrapped in bundles of bladed cleavelandite from an uncommon Pakistan locality, Sissi in the Haramosh Mountains. This unusual, very elongated, 4.0 cm, topaz is gemmy and has very distinctive horizontal color zoning. Two very gemmy and sharp smoky quartz crystals to 1.1 x 0.7 cm tall proudly sit on the back.
7.0 x 4.3 x 2.7 cm. An old-time olivenite and quartz specimen from the famous Wheal Gorland of Cornwall.
5.0 x 1.8 x 1.3 cm. A fine grape-purple amethyst quartz crystal from the Goboboseb Mountains of Namibia. This water-clear, glassy beauty has a super-sharp termination and textbook, hexagonal crystal form. The intense purple color saturation has a diffused, almost swirl-like interior color distribution. Ex. Dave Mansfield Collection.
5.4 x 3.8 x 1.8 cm. An exquisite, gemmy 4 cm Tourmaline impaling a gemmy Quartz crystal. The lovely green color of the Tourmaline is remarkably uniform, and the luster is superb. Mined in the early 1990s. Ex. David Michaels Collection.
3.2 x 1.9 x 1.8 cm. A gemmy, terminated tourmaline crystal (with a little sidecar crystal growing out at an angle) set against the backdrop of a transparent quartz crystal.
5.8 x 4.8 x 1.6 cm. A gem-quality, bottle-green tourmaline crystal measuring 2 cm, complete and terminated, juts out of the face of a shallow, flattened crystal of quartz.
5.4 x 4.6 x 3.1 cm. These smoky/brown crystals have an intense glassy, gemminess about them; and the color is isolated inside the crystals, with a clear line of demarcation.
7.9 x 6.5 x 4.5 cm. From the collection of Richard Kosnar, a crystal of deep red cinnabar with an unusually elongated form of which you can see more than 2 centimeters emerging from the calcite crystals that surround it! Nearby in side the pocket is a cluster of sharp quartz crystals.
3.2 x 2.2 x 1.4 cm, 2.7 x 2.2 x 1.2 cm, 2.6 x 2.4 x 1.4 cm. Three fine specimens of the rose variety of quartz. All three have sharp transparent crystals with a rich pastel pink color.
7.7 x 4.3 x 2.1 cm. A unique and unusually shaped doubly terminated quartz crystal from recent finds at the Orange River of South Africa. This glassy, highly lustrous, flattened, euhedral crystal is preferentially and dramatically included with rust-red hematite. Ex. Charlie Key.
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Rob Lavinsky, rob@irocks.com
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