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AU588 - Boracite $ 450 Boulby Potash Mine, Loftus, Cleveland, England miniature - 4.5 x 3.5 x 1.3 cm ![]() ![]() ![]() ![]() Bright, sparkling crystals of blue Boracite on the front and back of specimen. The crystals are good sized reaching 4mm in diameter. Colorful and rich example of essentially nothing but Boracite crystals.
AU589 - Tremolite $ 950 Merelani Hills, Arusha, Tanzania miniature - 4.8 x 2.7 x 1.1 cm ![]() ![]() ![]() Large single green Tremolite crystal from the Merelani Tanzanite mines. This is a big one with a smooth, flat termination face and typical splintery edges. Gemmy with superb, vivid green coloration. These are only occassionally found and usually in smaller sizes - at nearly 5cm tall this is much bigger than most. I have seen some longer than 4.8cm, but they are usually thinner crystals - this one is thick and robust.
AU592 - Cuprite $ 280 Cornwall, England thumbnail - 2.5 x 1.5 x 1.5 cm ![]() ![]() ![]() Translucent red Cuprite crystals on matrix from Cornwall. Quality thumbnail with crystals to 1cm in size. Undamaged.
AU594 - Amethyst $ 400 Las Vigas, Vera Cruz, Mexico cabinet - 10 x 8.5 x 6 cm ![]() ![]() ![]() Colorful, fine quality Amethyst specimen from Las Vigas. The Amethyst occur on a highly textured matrix colored green by coatings of Epidote that creates a great color contrast against the deep purple Amethyst. The Amethyst are mostly doubly-terminated, undamaged, and highly transparent. The largest crystal is 3.3cm long. Great specimen that's a little different looking than your average Las Vigas Amethyst.
AU595 - Brucite $ 650 Killa Saifullah, Balochistan, Pakistan cabinet - 11 x 4.5 x 3.5 cm ![]() ![]() ![]() ![]() Bright lemon yellow Brucite crystals from the original finds of a couple years ago. This specimen has a first generation of more whitish yellow Brucite that is covered with more well crystallized, bright yellow translucent Brucite. These recent specimens from Pakistan are world's best for the species. Comes with a custom Sunnywood base (a $200 value).
AU519 - Hubnerite with Quartz $ 160 Mundo Nuevo Mine, La Libertad Dept., Peru thumbnail - 2 x 2 x 1.5 cm ![]() ![]() ![]() Tabular single Hubnerite crystal with attached transparent Quartz crystals. Sharply formed and undamaged.
AU520 - Cafarsite $ 300 Wannigletscher, Scherbadung, Valais (Wallis), Switzerland thumbnail - 2.5 x 2.5 x 1 cm ![]() ![]() ![]() Uncommon matrix specimen of Cafarsite with a well placed 8mm crystal. Cafarsite is a rare calcium, titanium, iron, manganese arsenate mineral. From the type locality.
AU526 - Kinoite $ 200 Christmas Mine, Gila Co., Arizona, USA thumbnail - 2 x 1.5 x 1 cm ![]() ![]() ![]() ![]() Vivid blue aggregates of Kinoite crystals and clear Apophyllite on matrix. This specimen has very nice, larger than average crystal groups to 3mm.
AU529 - Calcite $ 180 Cumberland, England thumbnail - 2 x 1.5 x 1 cm ![]() ![]() ![]() ![]() Cluster of transparent scalenohedral Calcite crystals from England. Highly aesthetic crystal group.
AU541 - Quartz $ 150 La Gardette Mine, Villard-Notre-Dame, Grenoble, Isère, Auvergne-Rhône-Alpes, France thumbnail - 2.5 x 0.8 x 0.6 cm ![]() ![]() ![]() ![]() Water-clear single Quartz crystal from the La Gardette Mine in France, which dates back to the 17th century. The crystal is totally transparent, like a piece of cut glass, much more so in person even than the photos. A natural jewel of a crystal.
AU545 - Bournonite $ 140 Mitsumine, Chichibu mining district, Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama Prefecture, Japan thumbnail - 1 x 0.6 x 0.5 cm ![]() ![]() ![]() ![]() Single Bournonite crystal from Japan. The crystals has high silvery metallic luster. From MINDAT: 'This district produced the first copper mined in Japan, in the year 707 C.E., early in the reign of Empress Gemmei.'
AU551 - Ephesite $ 350 Glosam Mine, Western Belt, Northern Cape, South Africa thumbnail - 2.5 x 2 x 1.3 cm ![]() ![]() ![]() ![]() Seldomly seen specimen of pink Ephesite crystals from the Glosam Mine in South Africa. The crystals are a translucent red/pink and form tapering, hexagonal crystals to 6mm in size along a narrow Manganite matrix. Ephesite is a rare lithium sodium aluminum silicate mineral.
AU557 - Prehnite $ 180 Asbestos, Quebec, Canada thumbnail - 1.6 x 0.6 x 0.6 cm ![]() ![]() ![]() Single transparent Prehnite crystal from the Jeffrey Mine, a locality better known for Grossular and Vesuvianite. However, crystallized Prehnite is not common (it's usually found as botryoidal masses), and some of the best Prehnite crystals are found here at the Jeffrey Mine.
AU521 - Heliodor $ 350 Magli, Nigeria thumbnail - 2.3 x 0.8 x 0.6 cm ![]() ![]() ![]() ![]() Single gem Heliodor crystal fron Nigeria. Undamaged crystal with etched prism faces and smooth, flat terminatin faces.
AU523 - Herderite $ 600 Virgem da Lapa, Minas Gerais, Brazil thumbnail - 2.5 x 2 x 1.3 cm ![]() ![]() ![]() ![]() Single purple Herderite crystal that has rich color and is translucent to transparent. Complete all around and undamaged, fine quality single crystal.
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