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Mineral Specimens with Quartz
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5.5 x 3.9 x 2.6 cm. The piece features rather large, sharp, lustrous, aesthetic, jet-black, tabular crystals of Ferberite with thin gem quality prismatic Quartz crystals on minor matrix. This piece is from the famous find in 2005.
6.0 x 5.3 x 3.7 cm. This piece is comprised of deep green, highly lustrous, translucent, thin, prismatic crystals of Epidote in a "fan"-shaped aggregate. The final touch to this specimen is an associated sharp, gemmy, lustrous, slightly smoky Quartz crystal.
5.5 x 1.6 x 1.0 cm. A classic Norwegian Anatase specimen featuring small, yet excellent sapphire blue color, sharp, lustrous crystals on an absolutely transparent, razor sharp, highly lustrous, very slightly smoky Quartz crystal.
26.8 x 12.8 x 12.2 cm. The notable Wein Collection was replete with fine Alpine specimens. This very large plate of quartz crystals is wonderfully impressive, with a mixture of crystals large and small giving it a sculptural quality; some of the crystals contain chlorite inclusions that give them green accents.
24.8 x 11.4 x 7.4 cm. This specimen is notable not just for its size, but more importantly, for its amazing aesthetic qualities. First of all, it is a complete floater, with all the terminations intact. Second, the crystals are stacked in parallel and shoot out in opposite directions. The crystals are very gemmy.
21.4 x 16.9 x 8.4 cm. This wonderful find occurred maybe three years ago in China: sharp, clear quartz prisms intergrown with olive-colored crystals of epidote.
32.3 x 9.7 x 8.4 cm. It would be hard to think of a quartz specimen much more impressive than this one: a gigantic, complete floater amethystine crystal that is multiply-sceptred at both ends. All a long the side faces are interesting skeletal growth. What is more, it has at least one huge enhydro (moving bubble in water) inside. Inside one of the sceptres are tiny red lepidocrocite crystals.
21.4 x 17.4 x 8.3 cm. Thunder Bay amethysts are classic Canadian specimens. This is just a giant plate, with dark purple crystals inside of which you can see inclusions of hematite which often mark these specimens.
21.9 x 16.4 x 10.8 cm. A huge plate of amethyst crystals peppered with dozens of snowy balls of acicular, velvety okenite crystals. The amethyst has a nice 3-dimensional rolling quality to it rather than being a just flat plate.
4.6 x 2.2 x 1.7 cm. A fine specimen of the rare phosphates zanazziite and eosphorite, on vibrant pink and glassy rose quartz crystals from the famous Lavra da Ilha pegmatite located on an island in the Jequitinhonha River of Minas Gerais. Lavra da Ilha is the Type Locality for the olive-green zanazziite microcrystals.
8.8 x 3.2 x 2.3 cm. A unique, highly unusual, doubly terminated and multiply sceptered amethyst from Brandberg and the Charlie Key Collection. This very showy piece has multiple scepters at both terminations and is very nicely accented by the diverging spray of smaller amethyst crystals.
2.9 x 1.6 x 1.0 cm. A rounded "wheat sheaf" cluster of translucent green prehnite is perched on top of a quartz crystal. Ex. Charlie Key Collection.
5.6 x 2.3 x 1.8 cm. A transparent, sceptred crystal of quartz from the famous Brandberg quartz locality, with a purple amethystine phantom inside that makes the specimen look like it has an upside-down amethyst crystal inside it. There are blushes of smoky color as well.
4.6 x 3.5 x 3.3 cm. This truncated quartz crystal from Brandberg is essentially a floater (it has a natural face on the bottom that is whitish from growing against matrix). It is intensely gemmy, with a fine smoky tone, and has very glassy faces. Inside is a quite obvious moving bubble trapped in a water pocket (an "enhydro").
10.1 x 6.4x 5.4 cm. The most prized and rare of all the quartz varieties rose quartz - here represented by a cluster atop a large crystal of milky, colorless quartz. The display of the pink atop the normal quartz is striking, and elegant. The deep pink-hued crystals range from gemmy to translucent, and there are some razor-sharp crystals here of pretty good size. The contrast between the rose quartz and the milky crystal it sits on makes this specimen special. From recent finds.
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Rob Lavinsky, rob@irocks.com
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