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D352 - Zircon $ 150 Mashewa, Tanga Region, Tanzania thumbnail - 2.1 x 1.2 x 1 cm ![]() ![]() ![]() ![]() Single gemmy Zircon crystal with a nice wine red to red brown coloration. Complete all around and undamaged except for some slight edge chipping. Smooth, flat crystal faces on the termination with surface growth patterns on the prism faces, which is common with these crystals.
K926 - Azurite $ 175 Milpillas Mine, Cuitaca, Sonora, Mexico thumbnail - 2.8 x 2.3 x 1.5 cm ![]() ![]() ![]() ![]() Superb electric blue Azurite crystals forming a stacked grouping. This is from the watercourse pocket (also called the elegant pocket or spiderweb pocket) that was opened in 2013. Crystals with superb color and top, wet luster. Main crystal is 1.5cm and sits on top for maximum display.
M890 - Ilvaite $ 150 Huanggang Mine, Inner Mongolia, China miniature - 4.3 x 2.4 x 1.7 cm ![]() ![]() ![]() ![]() ![]() Thick, glossy single black Ilvaite crystal with typical chisel-shaped termination. There is a small green Quartz crystal attached to the side. Complete all around. Good large, thick crystal.
M894 - Ilvaite $ 75 Huanggang Mine, Inner Mongolia, China thumbnail - 3 x 1.4 x 1.2 cm ![]() ![]() ![]() ![]() Glossy single black Ilvaite crystal with typical chisel-shaped termination. Complete all around.
K878 - Tsavorite $ 275 Merelani Hills, Arusha, Tanzania thumbnail - 1.7 x 1.7 x 0.9 cm ![]() ![]() ![]() Large single crystal, glassy and transparent.
M543 - Smokey Quartz on Feldspar $ 75 Dogtooth Peak, Fresno Co., California, USA small cabinet - 6 x 4.5 x 3.2 cm ![]() ![]() ![]() ![]() Cluster of transparent Smokey Quartz crystals intergrown with Feldspar crystals from the pegmatite wall.
D204 - Tourmaline $ 450 Poa Alta Mine, Coronel Murta, Minas Gerais, Brazil thumbnail - 2.5 x 1.4 x 0.9 cm ![]() ![]() ![]() ![]() Colorful and interesting Tourmaline crystal from the lesser known Poa Alta Mine. The lower is red and then the crystal alternates between various shades of greens and reds, then ends with a very thin purple pink termination. Complete all around and undamaged and has a natural indentation from another crystal on the lower backside. Weighs 6.37 grams.
D205 - Tourmaline $ 1500 Sapo Mine, Minas Gerais, Brazil thumbnail - 2.3 x 1.2 x 1.1 cm ![]() ![]() ![]() ![]() Blue-cap Tourmaline crystal from the famous Sapo Mine. The lower core is red, followed by a blue/green zone then a deep blue termination. Complete all around and undamaged except for one trivial edge chip. Weighs 7.37 grams.
M871 - Ilvaite $ 275 Huanggang Mine, Inner Mongolia, China miniature - 4.8 x 4.3 x 3.9 cm ![]() ![]() ![]() ![]() Glossy single black Ilvaite crystal with typical chisel-shaped termination. Wonderful curving crystal faces give it style and uniqueness. Large impressive crystal that is wider than it is tall. Complete all around.
M852 - Tremolite $ 75 Merelani Hills, Arusha, Tanzania thumbnail - 1.4 x 1.1 x 0.5 cm ![]() ![]() ![]() ![]() Terminated single Tremolite crystal with bright, vivid green coloration. Translucent to transparent, complete all around, with a flat, glassy termination. Most are mere shards or fragments and complete terminated crystals such as this are are much less common. Like a number of other mineral species from Merelani, these Tremolites are considered the world's best of species.
M948 - Tremolite $ 125 Merelani Hills, Arusha, Tanzania thumbnail - 2.1 x 0.9 x 0.5 cm ![]() ![]() ![]() Terminated single Tremolite crystal with bright, vivid green coloration. Translucent to transparent, complete all around, with flat, glassy termination faces. Most are mere shards or fragments and complete terminated crystals such as this are are much less common. Like a number of other mineral species from Merelani, these Tremolites are considered the world's best of species.
M949 - Tremolite $ 75 Merelani Hills, Arusha, Tanzania thumbnail - 1.7 x 0.9 x 0.3 cm ![]() ![]() ![]() ![]() Terminated single Tremolite crystal with bright, vivid green coloration. Translucent to transparent, complete all around, with flat, glassy termination faces. Most are mere shards or fragments and complete terminated crystals such as this are are much less common. Like a number of other mineral species from Merelani, these Tremolites are considered the world's best of species.
D239 - Azurite, Cerussite $ 225 Tsumeb, Namibia small cabinet - 5.3 x 3.5 x 2.3 cm ![]() ![]() ![]() ![]() Crystals of Azurite and Cerussite on a matrix of crystalline Cerussite. The Azurite crystals are translucent when backlit. Additional green and yellow mineralization make it a colorful specimen.
M897 - Ilvaite $ 200 Huanggang Mine, Inner Mongolia, China miniature - 3.5 x 3 x 3 cm ![]() ![]() ![]() ![]() ![]() Glossy black cluster of Ilvaite crystals with typical chisel-shaped termination. Aesthetic specimen, especially as compared to most which are single crystals.
D281 - Covellite $ 350 Leonard Mine, Butte, Silver Bow Co., Montana, USA thumbnail - 3 x 2.9 x 2.2 cm ![]() ![]() ![]() ![]() ![]() Thick crystal groups of irridecent Covellite. Can be displayed equally well from a number of directions.
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