Marin Mineral
Mixed Minerals
June 22, 2021  ·  12 specimens

ST400 - Cuprian Smithsonite  sold

79 Mine, Gila Co., Arizona, USA
Cabinet - 10.5 x 6 x 5 cm



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Cuprian Smithsonite Cuprian Smithsonite Cuprian Smithsonite

Intense, deep green Smithsonite from the 79 Mine. The Cuprian Smithsonite from the 79 Mine has some of the best green color from anywhere and this is a great wxample of that quality. Thick undamaged layers of satiny, translucent Smithsonite covering matrix. The color is a rich, deep green that grades to a more apple green on the far right side.


ST405 - Amethyst  sold

Las Vigas, Veracruz, Mexico
Small Cabinet - 8.2 x 5 x 4 cm



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Amethyst Amethyst Amethyst Amethyst

Glassy, transparent Amethyst crystals to 3.3 cm on matrix. High quality undamaged specimen with both the good 'grape' coloration and the green Epidote rich matrix. .


ST431 - Dravite  sold

Landanai, Simanjiro District, Manyara Region, Tanzania
Thumbnail - 2.2 x 2 x 1.4 cm



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Dravite Dravite Dravite Dravite

Gem Dravite Tourmaline crystal from Tanzania. It has high luster and the transparency is way above average. The color is superb with a more yellow green on the lower half and an intense 'chrome' green at the termination. Partially double-terminated with some Calcite attached to the backside. Often called 'Chrome Tourmaline' these are a chromium and vanadium rich Dravite.


ST404 - Azurite  sold

Bisbee, Cochise Co., Arizona, USA
Miniature - 5 x 4 x 3 cm



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Azurite Azurite Azurite

Deep blue Azurite crystals on matrix from Bisbee. The crystals are undamaged with high luster and thick, blocky form. Highly aesthetic example of Bisbee Azurite.


ST401 - Diopside   $500  available

Merelani Hills, Arusha, Tanzania
Miniature - 4.9 x 4 x 2 cm



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Diopside Diopside Diopside

Cluster of large, gemmy Diopsde crystals from the Merelani Tanzanite mines. The main crystal is 4.4cm and double-terminated.

ST409 - Fluorite, Galena on Barite  sold

Schwarzwald, Baden-Wurttemberg, Germany
Miniature - 4.5 x 3.5 x 2.5 cm



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Fluorite, Galena on Barite Fluorite, Galena on Barite Fluorite, Galena on Barite Fluorite, Galena on Barite

Historical specimen of water-clear, colorless Fluorite cubes and Galena crystals on a Barite and Galena matrix. Ex. Robert Ferguson collection from approximately 1810.


ST439 - Amethyst  sold

Goboboseb Mtns, Namibia
Thumbnail - 3.1 x 1.4 x 1.1 cm



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Amethyst Amethyst Amethyst Amethyst

Undamaged single Amethyst crystal with the top 'grape jelly' color. Complete, transparent crystal that is partially double-terminated. This is a thumbnail sized example of the top quality that sell for many thousands of dollars when larger.


ST422 - Ruby  sold

Winza, Mpwapwa District, Dodoma Region, Tanzania
Miniature - 4 x 3.5 x 3 cm



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Ruby Ruby

A 2.3cm pseudo octahedral Ruby crystal in matrix from Winza. Many from this locality show a mixture of red and purple coloration, this one is almost all red with just a hint of purple coloration in one small area. A complete, translucent crystal that displays well. These are now hard to find.


ST406 - Apatite   $240  available

Cerro de Mercado, Durango, Mexico
Miniature - 5 x 4 x 3.5 cm



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Apatite Apatite Apatite Apatite

Gem quality yellow Apatite crystal in matrix from the well know Cerro de Mercado locality. Clean specimn that displays well. Uncommon on matrix and of this quality.


ST408 - Wulfenite  sold

Los Lamentos, Chihuahua, Mexico
Miniature - 3.5 x 3 x 1 cm



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Wulfenite Wulfenite Wulfenite Wulfenite

Large, transparent single Wulfenite crystal with attached white Hydrozincite. It has a cleave along one edge (that is not distracting) otherwise it's pristine. Displays equally well from either side and has a small attached Lucite stand. Choice old classic.


ST411 - Calcite  sold

Tsumeb, Namibia
Miniature - 4.5 x 4.2 x 3 cm



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Calcite Calcite Calcite Calcite

Transparent 2.5cm Calcite crystal on matrix from Tsumeb. The matrix is a reddish Dolomite covered with green Duftite making an overall colorful specimen.


ST410 - Celestite   $500  available

Salem, Washington Co., Indiana, USA
Miniature - 5 x 5 x 3.2 cm



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Celestite Celestite Celestite Celestite

Superb example of blue Celestite from the quarrys near Salem, Indiana. Well crystallized all around with areas of transparency and highly glassy. An undamaged beauty.


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