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Mineral Specimens with Elbaite
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4.5 x 4.3 x 0.9 cm. This large termination slice from a tourmaline came out of the collection of collector and miner Ed Swoboda. It is a perfectly smooth natural termination, with pastel pink sandwiching grassy green. This slice weighs 38 grams.
3.8 x 1.9 x 1.9 cm. From the personal collection of Norm Dawson, this is an unusually gemmy old-timer tourmaline crystal. It features two shades of green, with just a hint of pink near the grass-green termination. Weighs 30 grams.
10.5 x 4.5 x 4.4 cm. A fine "cathedral" quartz crystal, multiply-terminated with pretty peaks all around the main termination, and wonderfully transparent. At the bottom is a spray of dark green elbaite crystals that penetrate the quartz and stick out on one side. Ex. Richard Hauck Collection.
5.3 x 0.4 x 0.3 cm. A tourmaline "pencil" of extreme gemminess from Connecticut. This is an old-timer out of the Hauck Collection. It is bottle-green, with a rough though complete and natural termination on top. There is a "shelf" towards the top where the crystal met an obstruction and continued growing (more narrowly) past it. Glassy luster.
7.4 x 5.2 x 2.2 cm. About a dozen translucent, bottle-green elbaite tourmaline crystals are piled together in this rich, beautiful specimen out of the Richard Hauck Collection. The other side of the thin sheet on which the tourmalines sit is covered with calcite crystals. The longest crystal measures 5 cm.
4.4 x 3.9 x 3.4 cm. This is a big, fat tourmaline from the Cryo-Genie Mine, with an amazing multi-peaked termination. The crystal is a translucent bright green, and these glassy terminations are stepped at different levels to create the most striking aesthetic effect. Found in the early 2000's.
5.4 x 0.8 x 0.6 cm. A very fine, gemmy, doubly-terminated compound crystal of tourmaline, gorgeous pastel pink for most of its length, with a mint-green termination at one end. The crystal branches into two in one direction, but they share the same pyramidal termination at the other end (the mint one).
4.7 x 1.8 x 1.7 cm. A beautiful, gemmy and lustrous, doubly terminated, intense teal-blue indicolite tourmaline from the famous Santa Rosa Mine of Brazil. This is old-time, classic material from this famous pegmatite, having come out in the 1960s or 70s. Weighs 29 grams.
3.7 x 0.6 x 0.5 cm. A gem, green pencil tourmaline from the famous Gillette Quarry at Haddam Neck, Connecticut. The crystal has excellent green color saturation and a parallel-growth sidecar crystal. Weighs 6.58 carats. Ex Richard Hauck Collection and collected by Gene Vitali in the 1950-60s.
3.8 x 2.6 x 2.2 cm. The termination of this Stak Nala termination is just astonishing in person. It is from a rare find in 1997 - 1998 with light blue "caps" - and you can see here, it changes abruptly from a grass green to a light sky blue. There is a sidecar crystal as well (nicely terminated, like the main crystal) that is blue through the top half, green through the bottom. Weighs 39 grams.
7.9 x 7.1 x 5.5 cm. Three “mushroom” tourmalines together, on a matrix of quartz crystals. They are almost always seen as singles, without matrix. The tourmalines are up to 3 cm across the top, slightly translucent, with deep pink to purple color. Found in the late 1990s, this was always a rare style.
5.6 x 1.6 x 1.4 cm. A very fine Nigerian tourmaline, complete, doubly-terminated and in wonderful condition. The back side has multiple terminations at various levels, with a couple of very small contacts. The bottom termination is really strange - the pink core of the crystal extends out of the green, and has the termination on it. From the pink bottom, the crystal grades to a grassy green, then to a more bottle-green at the top termination. This fine crystal weighs 34 grams.
2.9 x 1.4 x 0.8 cm. A gemmy tourmaline crystal with wonderful cranberry color. It is terminated and has a very odd form - it is absolutely flat in back, though smooth and striated (not a contact face). Weighs 7 grams. Ex. Steve Smale Collection.
5.5 x 0.7 x 0.7 cm. An incredibly pretty gem tourmaline crystal, with a green body and pink termination. Glassy luster, complete all around, perfect termination. Weighs 5 grams. Ex. Steve Smale Collection.
5.9 x 1.6 x 1.4 cm. This is a fine larger tourmaline specimen, superbly transparent and gemmy, with fine luster. It has a translucent pink termination, in perfect condition. Weighs 22 grams. Ex. Steve Smale Collection.
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Rob Lavinsky, rob@irocks.com
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