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Mineral Specimens with Beryl
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6.0 x 5.0 x 4.5 cm. A classic, 3.3 cm, gemmy and lustrous, tabular aquamarine crystal set on a matrix of smaller aquamarines, sharp snow-white albite crystals and pearlescent muscovite plates from recent finds at famous Mt. Xuebaoding, China. The aquamarine has good color and complex edge crystal faces. Highly representative of these species and noted locale.
9.0 x 8.3 x 8.0 cm. A 5.0 cm, euhedral, deep green emerald crystal is frozen in massive green quartz along with fragments of other emerald crystals in this fine specimen from the Carnaiba Mine of Brazil. While these crystals certainly are not as gemmy as good Colombian ones, note that this is an old Brazilian emerald specimen - far rarer. Highly representative of the species and locality.
4.8 x 3.6 x 2.3 cm. Gemmy, light-blue Aquamarine crystals on Muscovite with beautiful form and superb luster. The 3.5 cm crystal is actually doubly-terminated. The main termination is excellent, and the lower termination is smaller, but clearly terminated. The upper 1 cm is gemmy and water clear. Classic material from Nagar. Ex. Charlie Key.
5.5 x 3.8 x 3.5 cm. An outstanding cluster of Aquamarine and Schorl from the Erongo Mountains in Namibia. While the lower Aquamarines are etched and heavily intergrown with the Schorls, the single large dominant crystal is superb for Erongo. The major Aquamarine is 2.5 cm tall and 1.8 cm across, and the upper 1 cm is gemmy and a gorgeous blue. The luster is glasslike, and the near-perfect termination has a fabulous, sharp notch because of an intergrown Schorl that impales it. This simple penetration adds great mineralogical interest to an already terrific crystal. Ex. Charlie Key.
4 x 2 x 2 cm. A delicate, very sharp tabular colorless beryl crystal (goshenite) on Muscovite from old finds in Brazil. This lovely goshenite is 1.4 cm across and .3 cm thick, and grows on well-defined books of Muscovite. The beryl is perfectly gemmy, and quite attractive. Its form is so sharp it looks carved. Ex. Charlie Key.
8.0 x 6.0 x 5.7 cm. Vivid pink morganites from the White Queen Mine are among the most desirable San Diego County pegmatite mineral species. A large, sharply terminated, partially gemmy morganite is attached to cleavelandite and a bit of quartz. The termination area of this euhedral crystal is very gemmy, as some faces are water-clear and some are frosted. Probably from the 1960s era here. Ex. Rutgers University Collection.
5.8 x 5.5 x 3.7 cm. A beautifully 3-dimensional cluster of gemmy and lustrous aquamarine crystals with vivid blue color; and fablulously accented with a 2.7 cm, lustrous, jet-black schorl crystal. The aquamarine crystals reach 3.1 cm. Very nearly pristine.
5.4 x 5.4 x 4.6 cm. A 4.1 cm, euhedral, pleasing green emerald crystal is frozen in massive quartz matrix in this fine specimen from recent finds in China. While these crystals certainly are not as gemmy as good Colombian ones, they are lustrous and translucent. One end is terminated against the quartz, while the other end is broken. Highly representative of the species and locality.
6 x 5.9 x 5 cm. Emplaced on and in a matrix of pearlescent muscovite, this cluster of glassy and gemmy pastel blue aquamarine crystals is highlighted by a doubly-terminated crystal, measuring just over 5 cm in length. That crystal runs through the core of the piece, and is displayed very centrally. Superb aesthetics for a classic Nagar aquamarine in this size. Weighs 184 grams.
4.1 x 0.9 x 0.5 cm. A very interesting and unusual gem aquamarine crystal from Pakistan. This water-clear, very glassy, pastel-blue crystal has an uncommon, lightly frosted, pencil-like, pinacoidal termination. The crystal is also extremely flattened, which is rare for Pakistan aquamarines. Excellent and rare material.
5.9 x 2.4 x 1.9 cm. A striking, but strange looking aquamarine crystal from Pakistan. This is a floater, doubly terminated, sceptered crystal. The pristine, gemmy and lustrous crystal has good color and part of the pinacoidal modified primary termination is water-clear. The basal termination has been heavily etched, leaving a very strange looking stalk forming the scepter. Weighs 38 grams.
5.4 x 4.8 x 4.0 cm. An aesthetic cluster of rare, heliodor-tipped aquamarine crystals from a recent one-time find in the Erongo Mountains. Each of the gemmy and lustrous crystals have good color, become gemmier toward their terminations, and have a distinctive 2 mm zone of yellow-green at their terminations. The large crystal is 4.4 cm. We have not seen an Erongo aqua with green tips, such as this, in the years of mining there.
3.8 x 3.1 x 3.0 cm. A classic, yellow-green heliodor crystal from Minas Gerais. This crystal is very gemmy and lustrous and has textbook hexagonal crystal form. The main photo does not do the gemminess, lustre and color justice. The unretouched backlit photo gives some idea of the intense color, gemminess and lustre of this crystal. Weighs 47 grams.
9.6 x 8.1 x 4.8 cm. A fine, highly unusual aquamarine from the less well known Padre Paraiso area of Minas Gerais. The two large, intergrown aquamarines with beautiful, sea-green color are very heavily etched, but looking at them closely, there are a myriad of crystal faces. The crystals have excellent translucence. Weighs 427 grams.
4.3 x 1.6 x 1.4 cm. A gemmy and lustrous aquamarine crystal with vivid blue color from recent finds in the Erongo Mountains. The termination area is much gemmier than the rest of the crystal, as is common with most Erongo aquamarines. This specimen is nicely highlighted by the tiny schorls embedded in the termination and the feldspar crystals at the base. A highly representative Erongo aquamarine with schorl.
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Rob Lavinsky, rob@irocks.com
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