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Mineral Specimens with Schorl
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19.2 x 5.4 x 4.4 cm. From the accompanying collection card, John Durkos Collection: "I personally took this crystal out of a freshly opened pocket in the mine. July, 1969. Keep sake, not to be sold!" Well, time moves on, and now out of his estate this sensational large schorl tourmaline crystal is up for bid. It is beautifully terminated on top, and believe it or not, the weirdly-formed BOTTOM termination is intact as well! The only contact is a part of another crystal that is inter-grown at the bottom, and a few little spots on the tiered "ledges" also around the bottom. The crystal has a very high luster- it absolutely gleams like black glass. It is complete all around, with no contacts or damage along its length (except the minor ones at the bottom, as mentioned). There are a few interesting natural etching pits on the side faces. Weighs 680 grams!! Schorl is black and opaque but still, its tourmaline. And this, this is a good one.
5.2 x 4.9 x 3.9 cm. The Erongo mountains turned out some very nice aquamarines and schorls in the past few years - sometimes in combination. This is a specimen of two inter-grown, large schorl crystals, terminated, with subtle natural tiers and pockmarks on the terminations. The side faces are very glassy, with staggered peaks. There is natural etching in places on the side faces as well. Quite interesting and aesthetic!
3.6 x 3.3 x 2.8 cm. A super-aesthetic specimen of schorl tourmaline accented by surrounding albite and muscovite. The schorl has a fine pyramidal termination, and is complete and un-contacted all around.
3.7 x 3.0 x 2.5 cm. An aesthetic and cute Erongo Mountains combination miniature. A gemmy, lustrous, lightly frosted, 2.1 cm, doubly terminated aquamarine crystal is jauntily perched on two, inter-grown, lustrous and striated schorl crystals. The stair-step termination on the aqua is neat and the tiny aqua is a nice accent. This showy piece has many displayable views and the contacted area on the schorl is certainly not a detraction. Ex. Charlie Key dealer stock.
12.8 x 7.9 x 5.2 cm. Yes, this really is a TOURMALINE specimen! These Sonora schorls have the most incredible form - like black needles tightly stacked together. This one is really fascinating in that instead of there being one or two large crystals, you have a matrix that is covered with maybe FIFTEEN of them, in wonderful condition! This large specimen is NOT something you see every day! Unusual Mexican material.
5.9 x 3.4 x 2.4 cm. This is just a bizarre and really quite pretty schorl tourmaline specimen from the Erongo Mountains in Namibia (where aquas have also been coming from). First off, the crystals have the appearance of consisting of hundreds of filaments stacked together - that termination is complete and natural, and the underlying prismatic form is reflected in a y-shaped elevated row of these filaments on top. The top crystal is perched right on top of the termination of the lower one, canting out at an angle, and exposing part of the termination of the crystals beneath, which is also complete. Wow!
11.4 x 8.2 x 4.4 cm. The photos capture pretty well the incredible beauty and drama of this very unusual Erongo combo specimen. It is notable both as a plate of gemmy smoky quartz crystals, some of them on their side and showing terminations at both ends (!); but also for this sensational schorl crystal, with its mirror-like black faces. The schorl measures 3 cm. As you are probably aware, this is a very unusual Erongo specimen, and just plain beautiful.
8.7 x 3.8 x 3.5 cm. A STUNNING and VERY AESTHETIC Pakistan combination specimen. A gemmy and lustrous, 1.9 cm, green fluorite cube is artfully set at the base of a highly lustrous and striated schorl crystal with a complex, modified pinacoid termination. The schorl is exquisitely wrapped in snow-white, bladed cleavelandite. This elegant specimen is a visual treat, a 360 degree beauty, with two, sharp and gemmy, smoky quartz crystals hidden in the cleavelandite on the back. Ex. Wayne Thompson stock.
This dramatic "castle" of crystals is really interesting in its aesthetics, and although these are not gemmy per se, they have a good glassy lustre to them. 6.1 x 3.0 x 2.5 cm
Incredibly weird specimen with gemmy, transparent purple fluorites showing oriented growth and coloration patterns, perched atop a splaying schorl crystal! Dramtic and certainly unusual 7.5 x 4.1 x 3.5 cm
7.2 x 6.2 x 3.9 cm. Right off, let me say that this big, gemmy topaz crystal has been slightly polished, on at least many faces, to a silky luster. But the forms of the natural faces have been preserved. Not only is this a BIG, GEMMY light-amber crystal of topaz - but you have these super-sharp, slender black schorl crystals shooting through its center, making this crystal really spectacular! It weighs over 300 grams!
2.5 x 1.6 x 1.5 cm, 2.4 x 2.2 x 1.4 cm. Goshenites (colorless beryls) are actually amongst the rarest of the beryls. From the Erongo Mountains, you certainly see a ton of aquamarines for every goshenite that turns up. There are TWO fine goshenites, one intergrown with crystals of schorl tourmaline. BOTH are complete and doubly terminated! They have a fine glassy luster, and are complete, with no damage or contact.
Thumbnail-Miniature. This was someone’s private collection of tourmaline crystals from the Himalaya Mine. Most of them are gemmy, and each has a complete termination. They range from green, to pink, to a combination of the two hues - with a couple of schorls thrown in. With the exception of a blue-cap, you can see pretty much the whole Himalaya gamut here!
10.9 x 9.9 x 7.1 cm. This is a huge quartz crystal with glass-clear faces that give a window into a scenic "garden" in the interior, consisting of sericite, chlorite and little thin needles of schorl tourmaline. Ex. J.R. Glover Collection. This is spectacular, like a garden inside!!! . The interior looks almost like a mossy hill with new snow on it! These "picture quartzes" from Brazil are really unique and fascinating, but so many of them are polished because the natural faces are not in good shape. This one is both in its natural state, and unusually large!
4.7 x 3.6 x 3.2 cm. This is a very large and lustrous schorl crystal from Erongo, terminated and complete, but what makes it unusually attractive is this gemmy, glassy, doubly-terminated quartz crystal embedded right in its face!
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Rob Lavinsky, rob@irocks.com
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share specimen![Schorl from Santa Rosa mine, Itambacuri, Doce valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-136004a.jpg]](db_pics/mdpics/MD-136004a.jpg)
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![Schorl, Quartz (Var: Smoky Quartz) from Erongo Mountain, Usakos and Omaruru Districts, Erongo Region, Namibia [db_pics/mdpics/MD-139142b.jpg]](db_pics/mdpics/MD-139142b.jpg)
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![Quartz, Sericite, Chlorite Group, Schorl from Araçuaí, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-142246b.jpg]](db_pics/mdpics/MD-142246b.jpg)
![Schorl, Quartz from Erongo Mountain, Usakos and Omaruru Districts, Erongo Region, Namibia [db_pics/mdpics/MD-142343a.jpg]](db_pics/mdpics/MD-142343a.jpg)