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Mineral Specimens with Schorl
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7.9 x 4.3 x 3.9 cm. This is a rare example of a schorl with two pyramidal terminations - instead of one of these, with a flat pinacoidal termination at the other end. Ex. Richard Hauck Collection.
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.
2.3 x 0.7 x 0.7 cm. A fine aquamarine with a very gemmy end and perfect termination, with some tiny acicular schorl crystals embedded in the termination.
3.3 x 2.4 x 1.5 cm. Here you have a schorl crystal with wonderful rounded form that makes it look almost more like a garnet - and out of the top of it sticks a gemmy, terminated aquamarine crystal.
2.3 x 0.9 x 0.8 cm. A gemmy crystal of aquamarine, terminated, lustrous and complete, from Erongo. A little crystal of schorl adds an accent at the base.
5.2 x 3.3 x 1.9 cm. A fine miniature with a very unusual look for a Pakistani combo piece. The focus is this super-gemmy, 4.5-cm aquamarine crystal - actually two crystals grown closely together. Both are glassy, complete and terminated, and even more transparent-looking in person. But the unusual thing that really adds to the aesthetic quality of this piece is the little schorl tourmalines that decorate the quartz crystals the form the matrix for the specimen, contrasting strikingly with the aquamarine and the milky quartz.
26.8 x 13.9 x 8.8 cm. A very large Brazilian showpiece specimen, this striking specimen features very large, prismatic quartz crystals, the longer one just under 12 cm, in association with black schorl tourmaline crystals. Here and there, the schorls are dramatically penetrating right through the quartz crystals.
7.8 x 4.2 x 3.9 cm. Here is a very gemmy and fine aquamarine crystal of 3.5 cm, with little schorls grown into its surface, lying along the matrix surrounded by both sharp little smoky quartzes and wonderfully glossy, chunky little schorls.
15.8 x 13.2 x 4.2 cm. A very old specimen from this classic pegmatite locality, with lustrous, long schorl crystals to 4 cm perched on feldspar and muscovite matrix.
10.1 x 6.9 x 4.0 cm. What you have is a bent black schorl tourmaline crystal, distorted from pressure during growth in the pocket. At one end of his a cluster of parallel quartz crystals have formed, wrapping themselves around the schorl - and there is a little red spessartine to cap it all off.
16.1 x 5.6 x 4.9 cm. Most people think this pocket really did produce the best we will see of this species in our country, at the least. Collected by Al Ordway in the mid 1980s and exchanged to Bill Larson soon after it was found. This is a superb cluster. Ex. Pala International/William Larson Collection.
11.9 x 7.8 x 5.5 cm. A superb, large specimen of fat schorl crystals accented with gemmy quartz and stark white albite blades. It is complete all around save for an unusual contact spot on the left-hand side. Ex. Pala International/William Larson Collection.
7.4 x 5.8 x 5.4 cm. A significant, big schorl crystal for San Diego, the US in general, and especially for this mine which does not produce many big tourmalines. Ex. Pala International/William Larson Collection.
12.0 x 8.7 x 7.5 cm. A fine, two-sided cabinet combination specimen from the Erongo Mountains of Namibia. Superb, mirror-bright, jet-black schorl crystals are set on a solid, 3-dimensional matrix of lustrous, intergrown, smoky quartz crystals. One side has a 4.3 cm, mounded cluster of intergrown schorl crystals. The other side features isolated to clustered schorl crystals to 2.8 cm, many doubly terminated. Ex. Marshall and Charlotte Sussman Collection, purchased in Namibia.
12.4 x 8.2 x 5.6 cm. What you have is these tight clusters of schorl crystals that radiate out from a central point. The quartz-covered matrix provides a striking contrast to the black crystals. Rather than being bunched together, the clusters are nicely isolated on the matrix. Ex. Durkos Collection.
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Rob Lavinsky, rob@irocks.com
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