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Mineral Specimens with Schorl
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6.4 x 5.6 x 3 cm. An uncommon and very attractive specimen of vivid yellow Muscovite crystals growing on crystals of Schorl. The .5 cm Muscovites have luster that range from velvety to classic adamantine, and their growth along the Schorl crystals (which range up to 2.5 cm) is complete-all-around. Many of the tips of the Schorls have been broken off, but that actually allows you to see the geometry of the growth. An unusual, and aesthetic, piece. Ex. Charlie Key.
8.2 x 1.7 x 1.6 cm. A very fine, single doubly-terminated crystal of Schorl. This prismatic crystal has excellent luster and form. Each termination is partially etched, but they are complete. A very good, subtly complex Schorl that despite its simple form has nice surface features that make it more interesting. Ex. Charlie Key.
5.5 x 3.9 x 3.5 cm. A very fine cluster of gemmy, well-formed Hydroxylherderites, growing on Schorl. The Hydroxylherderites, rare for the Erongos, have excellent luster and attractive striations on many of the crystal faces. The crystals average about .3 cm in size, though the largest is about .5 cm. A very fine specimen of this rare locality piece. Ex. Charlie Key.
A classic pegmatitic combination specimen, from a small prospect in San Diego and considered quite the rare locality piece there. Korpi collection. 9.8 x 6.9 x 4.2 cm
4 x 3.6 x 3.4 cm. An incredible and robust Aquamarine from the Erongo Region of Namibia. This amazing crystal is 4.1 cm tall and 3.6 cm across. The color is excellent, the luster on the termination is superb, and the upper 1.6 cm of the crystal is almost perfectly gemmy (unusual for the locale). The attached small (up to .3 cm) Schorls are equally well-formed and lustrous. At 111 grams, this is a stunning miniature. Ex. Charlie Key.
10.8 x 8 x 3 cm. Absolutely one of the finest Schorl specimens I have ever seen from the Erongo Mountains. Every single crystal in this large 10 cm plate has superb luster and incredibly sharp form. It is even complete-all-around, though covered with hyalite opal on the backside. The crystals range from .5 cm up to 2.5 cm. Ex. Charlie Key.
10 x 7 x 7 cm. An exceptional combination piece of unusual, and very attractive, stark white Orthoclase crystals intergrown with gemmy Smoky Quartz and Schorl needles. All on granite, with a small amount of Hyalite Opal as a bonus: an incredible fluorescent accent. The Orthoclase crystals are tabular, with the largest ones being 3.5 cm, and twinned. The gemmy Smoky Quartzes are more on the order of 1 cm, as are the Schorls. I've not quite seen the likes of this specimen before. It is a great piece from a famous location, but more than that it is just unusual from anywhere, in its overall aspect. Ex. Charlie Key.
5.8 x 5 x 4 cm. A fine combination piece of one large (4 x 3 cm) Schorl with two fine Smoky Quartz crystals (up to 5 cm). The Schorl has superb luster and form, and the Smoky Quartzes are gemmy with silky, striated faces. The tips are also zoned a darker smoky hue. For the region, or for anywhere, this is really a great combination piece. Even better and more 3-dimensional in person. Ex. Charlie Key Collection.
11 x 8 x 7.5 cm. An exceptional, artistic combination of Aquamarine, Smoky Quartz, and Schorl from the Erongo Mountains. Rarely do you find these three in combination, and when you do, they are hardly ever in this quality. The Aquamarines are superb: excellent deep to light blue color, gemmy terminations, and glassy luster (faces and terminations). The largest of the Smoky Quartzes is 6.6 cm, and doubly terminated. They are translucent and elegantly tapered. The Schorls add wonderful contrast, and they have excellent to slightly etched luster. Ex. Charlie Key.
3.8 x 3.7 x 2.7 cm. Numerous crystals of glassy goshenite, to 1.6 cm, are perched suspended in a maze of jet black schorl on this unique and sculptural specimen. In person, it is very bright, aesthetic, and appealing for its complexity. Complete-all-around; on the backside more schorl and less goshenite, but they are sharp and isolated.
2.6 x 1.6 x 1.3 cm. A sharp, doubly-terminated floater crystal, complete-all-around…somewhat better in person; and hard to convey in photos, how nice and glassy and bright this is.
8 x 5.1 x 1.8 cm, A rich plate thickly covered with glassy, lustrous, gemmy crystals to a 2.1 cm, some of them doubly-terminated, on muscovite matrix. This is a very beautiful, sparkly, gemmy piece.
6.8 x 5 x 4.6 cm. Isolated, glassy, lustrous, gemmy crystals to 1.6 cm on muscovite matrix. Minor schorl association provides a nice contrast.
9.8 x 3.8 x 3.1 cm. A sharp, lustrous, glassy 1.5cm barrel-like crystal perched on the side of a complete quartz point – unique. This looks like apatite, it is so sharply hexagonal and gemmy and lustrous - it is a very surprising occurrence for goshenite.
1.8 x 1.6 x 1.3 cm. An excellent example of aquamarine with schorl from one of the lesser known African beryl locations - the Jos Plaeau of Nigeria. The upper two-thirds of the aquamarine is water-clear, gemmy, with great blue color intensity and a fine, modified, pinacoidal termination. The aquamarine is superbly accented with lustrous schorl crystals, embedded on the sides and included in the interior. This is a rare combination specimen from this locale. Ex. Irv Brown Thumbnail Collection.
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Rob Lavinsky, rob@irocks.com
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