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Mineral Specimens with Adamite
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3.7 x 3.5 x 2.3 cm. A very rare specimen of a type not often found here, featuring yellow-green crystals of unusual size and isolation on contrasting gossan matrix. This specimen features a large, lustrous crystal to about an inch perched nicely on matrix. Ex. Martin Zinn Collection.
4.5 x 3.4 x 2.9 cm. A very rare specimen of a type not often found here, featuring a stunning spray of lustrous, yellow-green crystals of unusual size. This specimen features large, lustrous crystals to a whopping 4 cm-plus perched nicely on matrix, and complete all around. Ex. Martin Zinn Collection.
14 x 8.7 x 2.1 cm. An extremely beautiful plate of luscious, lime-colored crystals of adamite. Excellent luster and color. Ex. Martin Zinn Collection.
5.6 x 3.9 x 3.2 cm. This interesting specimen is composed of grown-together adamite crystals to almost 4 cm, forming a unified and curving joined surface atop, and yet made of individuals. Ex. Martin Zinn Collection.
10 x 7.6 x 4.1 cm. An absolutely stunning, highly unusual adamite specimen featuring a perfect hemispherical aggregate of rounded adamite crystals, of daiquiri-green color, perched nicely on contrasting matrix. The "ball" is 2 inches or 5 cm across. Ex. Martin Zinn Collection.
6.6 x 6.5 x 2.6 cm. Very rare, sharp and euhedral, mint-green, well-formed crystals of the cuprian variety of adamite from this mine. They range to almost 1 cm in size. This specimen is notable for the rare isolation of the crystals, nicely displayed on contrasting matrix of dark gossan. Ex. Martin Zinn Collection.
5.6 x 3 x 1.8 cm. This is a rich and colorful specimen from a small one-time find of botryoidal, intense green adamite - quite different than other adamite found at any time at this locality before or since. It is similar to old Greek material from Laurion, but the matrix is classic Ojuela mine gossan and quite distinct. Ex. Martin Zinn Collection.
6.4 x 6.3 x 2.9 cm. An unusually glassy, sparkly cluster of adamite accented by a spray of milky hemimorphite crystals, on the typical Mapimi limonite matrix.
5.0 x 3.3 x 1.2 cm. Fine, gemmy, green cuprian adamite spheres are aesthetically scattered as individuals or in clusters on the contrasting gossan matrix plate coated with pastel-green druse on this fine specimen from the famous Mina Ojuela of Mexico. Ex. Martin Zinn Collection.
10.2 x 5.4 x 4.9 cm. Richly filling a shallow, elongated pocket in limonite matrix are rich clusters of bright, sparkly, lemony-green limonite. Classic 1980s material and a very pretty piece with so much color. Ex. Gary Hansen collection.
4.4 x 2.4 x 1.4 cm, 3.4 x 2.4 x 1.2 cm, 3.2 x 2.2 x 1.6 cm. Three pretty specimens of bright yellow-green adamite on limonite, from the classic locality.
5.1 x 3.3 x 2.7 cm. This fine miniature features a 2.3 cm wide cluster of glassy, intergrown adamite crystals with purple terminations aesthetically wrapped in sturdy, gossan matrix. This piece is from the one-time find in 1981 and is highly representative of this very desirable manganoan adamite species. Ex. George Elling Collection.
5.5 x 4.4 x 3.7 cm. Forest-green cuprian adamite from the Tsumeb Mine. This sculptural specimen is richly covered on all sides with lustrous, blocky, composite crystals to 7 mm. Ex. Rob Smith Collection.
11.8 x 7.2 x 5.1 cm. Lustrous, "wet-look", lime-green to yellow-green adamite crystals in botryoidal clusters are festooned on 3-dimensional gossan on this cabinet specimen from the Mina Ojuela of Mexico. Ex. George Elling Collection.
5.8 x 3.1 x 2.8 cm. Rather than being your typical (for Mapimi) whorls of small crystals, these are very large, individual crystals of adamite to 1.5 cm across. They have the typical light yellow-green color and limonite matrix.
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Rob Lavinsky, rob@irocks.com
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