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Mineral Specimens with Elbaite
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5.1 x 1.9 x 1.4 cm. A doubly-terminated (roughly on the bottom, but natural) crystal of pretty pink Himalaya tourmaline, out of the Jaime Bird collection. The crystal ran into matrix obstructions on both ends, resulting in strangely-shaped and interesting terminations. You can still see the bits of mineral that obstructed growth, forcing the crystal to grow around them. Fine transparency for the Himalaya. Weighs 27 grams.
4.4 x 1.9 x 1.9 cm. Another Himalaya superb tourmaline specimen out of the collection of Jaime Bird, consisting of four intergrown crystals. The largest measures 3.5 cm in length. Each of these translucent crystals has a green bottom and pink middle, with a delicate bright green termination. Cluster weighs 25 grams.
5.8 x 1.4 x 1.4 cm. Tourmalines have come out only in a trickle over the years from this Russian mine. This doubly-terminated crystal shows superb gemminess, a fine termination, and excellent luster. What is more, the coloration is exquisite, blending cranberry and golden tones. It has internal scintillations characteristic of many of the lighter-colored examples of Malkhan tourmaline, sort of like the ones inside imperial topaz. Weighs 26 grams. Ex. Jaime Bird Collection.
5.4 x 1.3 x 1.3 cm. A superb, gemmy, doubly-terminated crystal of tourmaline from Barra de Salinas, from the collection of Steve Smale. It is gemmy for its full length - mostly green, with pink at one of the terminations. The terminations are quite weird: tiered and craggy, with the green end appearing to perhaps have grown up against another crystal in one place. Weighs 15 grams.
5.8 x 5.0 x 3.8 cm. A superb, two-sided, jackstraw cluster of gemmy and lustrous, watermelon tourmalines and glassy, transparent quartz crystals from recent finds at the Pederneira Mine of Brazil. Serious bonuses with this gorgeous piece are the clusters of tiny, yellow apatite crystals on both sides. Many of the crystals have the distinct hexagonal apatite crystal habit. The large tourmaline is 4.0 cm and it’s pristine.
8.4 x 1.6 x 1.1 cm. A truly gemmy, sharp tourmaline crystal from around 2002-2003 mining at the re-activated Pederneira Mine. It is pristine, sharp, and so symmetric that it looks carved and beveled. Now, mining for tourmaline here is basically done, with the productive zone of recent workings blasted out through the pegmatite on 3 sides. This particular crystal was put away by one of the partners in the mining venture in a stash, just released. Pristine and complete 360 degrees around.
10.1 x 1.6 x 1.2 cm. A beautiful, rare, pastel-hued, multicolored tourmaline specimen from Nepal’s remote pegmatite deposits. Few specimens come to the market, and they trickle out over the years. This one, remarkably, is doubly-terminated with a basal tip and a prismatic termination at the other end. The coloration is not what you could call intense, but it is a pretty combination of pastel hues. A tourmaline of this size is rare from here. This was found prior to the late 1990s.
3.0 x 1.4 x 1.1 cm. A very gemmy crystal of tourmaline, terminated, with delicate pale pastel green and pink hues, and a bit of accenting matrix. Complete and undamaged, with fine luster.
6.5 x 3.5 x 1.8 cm. A cluster of intergrown tourmaline and quartz crystals from the Pederneira, quite colorful and lustrous and wonderfully aesthetic in overall form. The large pink-topped crystal has a healed termination; the green-capped ones are all terminated. If you look closely, you can see that one of the quartz crystals has a cluster of small tourmalines included inside it! These little green tourmalines grew straight off the side of the larger pink one, and then the quartz crystal growing from a different direction engulfed them when it reached them. A very pretty and delicate Pederneira piece.
8.5 x 2.5 x 1.4 cm. A disruption during growth caused this sizeable crystal of green tourmaline crystal to make a noticeable bend in its center and grow at an oblique angle to it final termination. It is beautifully decorated with lavender lepidolites and platy albites. Actually has a pink core, which can be seen under strong light.
A gorgeous, gemmy and lustrous bi-colored, cranberry cored with dark green tourmaline crystal on a colorless quartz crystal from a classic Brazilian locality. We think there is one clean repair of the tourmaline, where it is attached to the quartz crystal and an embedded stalk of the tourmaline itself. Old material, and very showy! 4.1 x 4.0 x 3.8 cm
Water-clear, colorless and lustrous “poker-chip” goshenite crystals with inclusions of dark-green tourmaline crystals and a bit of albite. From a single find in the late 1980’s, this is really classic and unique material that is now seldom seen on the market after all those years. This would be considered a very good example for the size! 6.4 x 5.7 x 3.2 cm
4.1 x 2.2 x 1.6 cm. A beautiful, gemmy and lustrous, deep pink tourmaline from the famous, but lesser-known Stewart Mine of California. This is a beautiful, intensely color-saturated pink tourmaline, amongst the finest in San Diego County. The lustrous, pinacoid termination has an interesting ripple look. 20 grams.
5.9 x 1.2 x 0.9 cm. A gemmy, gorgeous crystal of tourmaline from Paprok - stunningly bright and fine. It has a grassy-green body and culminates in a fine bright pink termination. Complete all around and undamaged, with super lustre too. 13 grams. Ex. Steve Smale Collection.
7 x 6 x 2 cm. This is the so-called "Cupid's Heart" crystal. nicknamed this down in Brazil many years ago. I had heard of the piece, but not seen it until recently. It features a quartz that superficially looks like a Japan law twin, although is off by a few degrees and so is rather just a heart-shaped, tabular quartz of unusual form. The gem rubellite perched in the middle of the quartz is about 3 cm, and utterly transparent and gemmy. Photo by Joseph Budd.
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Rob Lavinsky, rob@irocks.com
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share specimen![Elbaite from Himalaya Mine (Himalaya pegmatite; Himalaya dikes), Gem Hill, Mesa Grande District, San Diego Co., California, USA [db_pics/mdpics/MD-217516a.jpg]](db_pics/mdpics/MD-217516a.jpg)
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