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Mineral Specimens with Beryl
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6.3 x 1.5 x 1.0 cm. A water-clear, gem, yellow-green beryl crystal with beautiful yellow-green color saturation from the less well-known Padre Paraiso area of Minas Gerais. This gorgeous and pristine crystal is doubly terminated with a modified pinacoid on the upper termination and a recrystallized lower termination. Weighs 18 grams.
A very gemmy and transparent light-blue aquamarine crystal with interesting internal crazing from Minas Gerais, Brazil. The crystal is contacted on the back and there is a very minor amount of termination edge damage, but as you can see, this is a beauty. 3.5 x 1.4 x 1.0 cm
1.8 x 1.1 x 0.9 cm. A very fine and highly unusual matrix emerald thumbnail from the Muzo Mine and the Carl Davis Collection. Two gemmy and lustrous, beautifully color saturated emerald crystals with distinctively different terminations are aesthetically set in calcite matrix. One termination is pyramidal and the other is the normal pinacoidal termination. Pyramidal terminations on Colombian emeralds are rare. Having two styles on the same piece, is, I think it safe to say, unprecedented and unexpected. Ex. Carlton Davis Collection.
4.9 x 1.9 x 1.5 cm. A fine and contemporary classic combination specimen from recent finds in the Erongo Mountains of Namibia. A gemmy and lustrous aquamarine crystal with good color is very nicely accented with lustrous schorl crystals, a smaller aquamarine and very well-placed pieces of orthoclase. The aquamarine crystal has a much larger gemmy section, than you normally see in Erongo aquamarines. The piece is in excellent shape. The termination is pristine.
1.4 x 1.1 x 0.3 cm. A unique and weird, bladed heliodor crystal with a sloped termination from Brazil. Tabular beryl crystals, such as this, are rare. This heliodor has excellent gemminess and lustre, as you can see. A highly unusual heliodor crystal from the Carl Davis Collection.
9.7 x 8 x 6 cm. A dramatic large piece featuring an excellent doubly-terminated 5.5-cm Aquamarine with very good color, superb luster, and gemmy terminations. The associated Orthoclase, Smoky Quartz, and Schorl also have well-developed crystals. Some of the Orthoclase has been weathered, making for a stark contrast to the sharper geometry of the aquamarine itself. Ex. Charlie Key Collection.
6.7 x 4.5 x 3.5 cm. The green Erongo Fluorites have become famous in their own right, but to find them in such superb combination with the rare and desirable clear Goshenite Beryls, is a thing to behold. The Beryls range up to 2.2 cm, and the Fluorites about .8 cm, so the Goshenites rule are the main feature here. The luster on the Fluorites is silky, and they have the zoned coloration usually seen from Erongo. The Beryls have superb luster and are gemmy, with the classic tan-colored inclusions. Ex. Charlie Key.
7.6 x 4.8 x 3.6 cm. A superb Aquamarine/Schorl combination specimen from the Erongo Mountains. The Schorls, for the most part, are lustrous and sharp. The triangular section attached to the large Aquamarine, is just that - a section. But it adds an aesthetic complement by its shape, position, and healed surfaces. The main Aquamarine, 3.2 x 2.3 cm, is amazing. It is almost completely gemmy, which, for its size, is exceptional. The color is a deeper blue than you normally find from Erongo, and the crystal faces are highly lustrous with a ''watery'' texture that reminds one of a lustrous Heliodor/Aquamarine that has been slightly etched. The termination is perfect, and even includes small, penetrating Schorls. Ex. Charlie Key.
A spray of gemmy aqua crystals, the majority of them well terminated, on a bit of matrix with calcite crystals. Gorgeous! 4.7 x 3.6 x 3.4 cm
5.7 x 5.5 x 4.3 cm. An absolutely superb Aquamarine nestled in a bed of Muscovite, on granite. The pale-blue Aquamarine is 1.7 cm tall and 1.7 cm across, and so water-clear that it might as well not be there when you look through it. Gemmy and with perfect luster. Ex. Charlie Key.
Let me say right off that this specimen does have one clean repair right at the base, not visible unless you are really looking for it. This being said, it is a very large, stunning matrix aqua specimen that just about any collector at any level would be proud of. The crystal measures 8.5 cm (!!) from its base to the PERFECT termination, and is gemmy from top to bottom. It is over 1 cm thick in all dimensions. It has fine luster, and NO DAMAGE at all other than the one CLEAN repair at the base (where it snapped clean and i simply reattached it). 12.6 x 10.1 x 7.4 cm
5.4 x 3.3 x 1.1 cm. A classic, water-clear, tabular goshenite beryl crystal from Resplendor, Brazil. This gem crystal has textbook hexagonal form and the accenting tourmalines are a nice accent, especially the one in the middle that comes out of both sides of the beryl. This is outstanding old-time material, dating to the 1960s or 1970s, from the Ed Swoboda Collection.
A SUPERB and HIGHLY UNUSUAL cluster of lustrous, transparent to translucent TWO-TONED blue aquamarine crystals preferentially dusted with sparkly muscovite crystals from Pakistan. The blue color variation is very uncommon and striking. I HAVE NEVER SEEN ONE QUITE LIKE THIS. THe colorzoning is quite intense on top and the contrast is so odd that at first thought you think this is a tourmaline rather than a beryl 3.7 x 3.5 x 3.3 cm
8.2 x 5.8 x 1.0 cm. A classic 2.5 long cm crystal of Emerald sitting against Biotite schist matrix. The crystal has a fine rich green hue and is translucent when backlit. These specimens are some of the most classic Emeralds in the world, and date back hundreds of years in Europe. Most people do not associate Alpine minerals with Emeralds, but these pieces are well known and beloved by the strahlers who collect them.
3.8 x 1.1 x 0.7 cm. This Aquamarine specimen was mined by Richard Kosnar in the late 1970's. His diggings produced some of the finest color, unheated Aquamarine in the world. Most of these crystals are not gem quality, but this crystal is certainly gemmy when backlit, which is very good for the material. This crystal is a fine, sharp, somewhat lustrous, slightly hydrothermally etched, rich blue color crystal of Aquamarine from one of the more obscure localities for the material. Ex. Richard Kosnar Collection.
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Rob Lavinsky, rob@irocks.com
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