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J720 - Tsavorite $ 120 Merelani Hills, Arusha, Tanzania thumbnail - 1.2 x 1.2 x 1.1 cm ![]() ![]() ![]() Sharp single Tsavorite crystal with good color and attached Pyrite.
J722 - Tsavorite, Sphene, Diopside Merelani Hills, Arusha, Tanzania thumbnail - 2.1 x 1.7 x 0.9 cm ![]() ![]() ![]() ![]() Fine quality and unusual floater cluster of elongated Tsavorite crystals, brown Sphene crystals, and glassy Diopside crystals. Well crystallized on all sides.
J517 - Clinoatacamite on Calcite (R) $ 90 Lily Mine, Ica Dept., Peru miniature - 4.3 x 3.0 x 2.5 cm ![]() ![]() ![]() Calcite lined vug with clusters of dark green Clinoatacamite. The Clinoatacamite crystals on this specimen are lustrous and well formed. These are regarded as some of the world's best Clinoatacamite examples. Inspection revealed that this specimen had broken and been repaired repaired prior to my purchase.
J611 - Pyrargyrite with Pyrite $ 200 Uchuchacua Mine, Peru small cabinet - 5.5 x 5.2 x 5.0 cm ![]() ![]() ![]() Rich Pyrargyrite specimen with numerous clusters of well-defined crystals scattered throughout the sulfide matrix. Other species in association include Pyrite, Quartz, and Calcite.
J589 - Vesuvianite $ 225 Jeffrey Mine, Asbestos, Quebec, Canada miniature - 4.0 x 2.8 x 2.6 cm ![]() ![]() ![]() ![]() ![]() A good sized matrix Vesuvianite specimen, one of the best color combination examples for this type. The matrix is purple mangan Vesuvianite covered by an outer layer of yellow/green Vesuvianite crystals. Largest single crystal in the group is just over 2cm in length. The mine is now closed.
J484 - Prehnite $ 300 Merelani Hills, Arusha, Tanzania miniature - 4.7 x 3.1 x 2.6 cm ![]() ![]() ![]() Well crystallized Prehnite from recent finds at the Merelani Tanzanite mines. Highly translucent with a greenish yellow color with large, chunky crystals. These recent Prehnites are the best ever found at the locality.
J481 - Prehnite $ 500 Merelani Hills, Arusha, Tanzania small cabinet - 5.4 x 5.0 x 3.5 cm ![]() ![]() ![]() ![]() ![]() Gemmy bright yellow-green Prehnite in a spherical grouping with sharp ridges of crystals. A small amount of silver-gray Graphite can be seen on one side. There is also an inclusion of blue, incomplete Tanzanite crystals. The quality of the Prehnite is superb with big crystals extending out of the main group with good luster and very translucent. Only minor contact and cleaving in a few areas.
J485 - Prehnite $ 380 Merelani Hills, Arusha, Tanzania small cabinet - 5.3 x 5.0 x 2.5 cm ![]() ![]() ![]() Well crystallized Prehnite from recent finds at the Merelani Tanzanite mines. Highly translucent with a greenish yellow color with a crystal habit of parallel bladed/tabular crystals which are a new style (at least to me) not seen until this year. These recent Prehnites are the best ever found at the locality.
J513 - Prehnite $ 300 Merelani Hills, Arusha, Tanzania miniature - 3.3 x 2.5 x 2.4 cm ![]() ![]() ![]() Well crystallized Prehnite from recent finds at the Merelani Tanzanite mines. Highly translucent with a greenish yellow color. This one is an exceptional small miniature with very stout, thick crystls forming a 3cm wide radial grouping. No damage to the crystals. These recent Prehnites are the best ever found at the locality.
J536 - Prehnite $ 200 Merelani Hills, Arusha, Tanzania small cabinet - 5.6 x 4.7 x 2.5 cm ![]() ![]() ![]() Gemmy bright yellow-green Prehnite cluster with sharp ridges of crystals. A small amount of silver-gray Graphite can be seen on the bottom. The quality of the Prehnite is superb with big crystals forming an excellent quality specimen with good luster and very translucent.
J547 - Rhodonite with Bustamite and Galena $ 275 Broken Hill, New South Wales, Australia cabinet - 10.0 x 6.1 x 3.5 cm ![]() ![]() ![]() Translucent red color Rhodonite crystals are seen in close association with metallic gray Galena. The matrix consists of mostly compact, massive, pinkish color Bustamite, a calcium manganese silicate. The largest Rhodonite crystal is about 1cm wide and gemmy.
J600 - Magnetite $ 90 Cerro Huanaquino, Totora, Dept. Potosi, Bolivia small cabinet - 8.5 x 5.2 x 3.8 cm ![]() ![]() ![]() Razor sharp and lustrous octahedrons of Magnetite. The Magnetite forms a continuous layer of textbook octahedral crystals on top of a hard, brecciated matrix. An excellent example of the species with the argest crystal measuring about 8mm wide.
J248 - Spinel $ 125 Mahenge, Morogoro, Tanzania thumbnail - 2.7 x 2.5 x 2.0 cm ![]() ![]() ![]() Complete octahedral red Spinel crystal with good color. Some edge chipping but good overalll conditon and form. Rich gemmy areas within.
J245 - Spinel $ 125 Mahenge, Morogoro, Tanzania thumbnail - 1.9 x 1.7 x 1.1 cm ![]() ![]() ![]() Complete octahedral red Spinel crystal with good color. Damage at two tips, but overall very good with good luster and translucency. Gemmy areas within.
J249 - Spinel $ 125 Mahenge, Morogoro, Tanzania thumbnail - 2.1 x 2.0 x 1.8 cm ![]() ![]() ![]() Complete octahedral red Spinel crystal with good color. Chipping on two corners. Rich gemmy areas within, especially the tip.
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