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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.
D238 - Cinnabar $ 240 Chatian Mine, Fenghuang, Hunan, China miniature - 3.8 x 3.3 x 2.5 cm ![]() ![]() ![]() ![]() Single 'drill bit' twinned Cinnabar crystal set in Dolomite. The Cinnabar is 1.1cm and undamaged.
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.
D237 - Cubanite $ 425 Henderson #2 Mine, Chibougamau, Quebec, Canada thumbnail - 3 x 1.8 x 1.2 cm ![]() ![]() ![]() ![]() ![]() Large single crystal of rare Cubanite from the world's best locality for the species. Bright, lustrous golden color wtih twinning striations evident on the front face. These are typically more coin-like in form, and at 1.2cm thick, it is much chunkier than most. Rare material from a closed locality dating back 25 years or more.
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.
D292 - Spessartine with Quartz $ 450 Tongbei, Fujian Prov., China small cabinet - 6.5 x 5 x 4 cm ![]() ![]() ![]() ![]() ![]() ![]() Cluster of smokey Quartz amost entirely covered by Spessartine garnets. This was from the Jeanne Rosati collection and came with a Trinity Mineral Company label that called a psuedomorph of Spessartine after Quartz. A small amount of smokey Quartz crystal can be seen in the tips of the 3 largest 'fingers' of Spessartine. Well crystallized all around and undamaged. There is no matrix and even part of the bottom is covered by Spessartine crystals.
K857 - Prehnite Merelani Hills, Arusha, Tanzania miniature - 4 x 3.3 x 2 cm ![]() ![]() ![]() Yellow/green Prehnite with both spherical crystal groups and individual chisel-shaped crystals. Solid, translucent Prehnite with a thin layer of Graphite on the bottom. Merelani Prehnite is among the best in the world, and specimens from recent finds such as this are among the best ever found at the locality. This style, with rounded masses that morph into chisel-tip crystals, is distinct and from finds in 2019. The cluster is translucent throughout and undamaged.
K860 - Prehnite $ 150 Merelani Hills, Arusha, Tanzania miniature - 4.5 x 3.5 x 3 cm ![]() ![]() ![]() Individual crystals and crystal groups of translucent yellow Prehnite. Merelani Prehnite is among the best in the world, and specimens from recent finds such as this are among the best ever found at the locality. Solid Prehnite with a bit of attached Graphite on the backside. Large, gemmy crystals radiating out in all directions. The cluster is complete all around and translucent throughout. Undamaged except for at the bottom where it intergrew with a Tanzanite crystal, and some bit of remaining Tanzanite are present.
K428 - Chrysoberyl 'Cats-eye' $ 120 Brazil thumbnail - 0.4 x 0.4 x 0.3 cm ![]() A round cabochon of golden yellow Chrysoberyl that shows a sharp cat's eye effect. Weighs 0.45 carats.
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