Marin Mineral
Mixed Minerals
March 16, 2020  ·  14 specimens

M786 - Mimetite with Wulfenite  sold

San Francisco Mine, Sonora, Mexico
Thumbnail - 3 x 2.5 x 2.5 cm



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Mimetite with Wulfenite Mimetite with Wulfenite Mimetite with Wulfenite Mimetite with Wulfenite Mimetite with Wulfenite

Intensely colored red/orange Mimetite with a few small blades of Wulfenite. Fine thumbnail with the top color for the locality.


M483 - Copper   $450  available

Ajo, Pima Co., Arizona, USA
Cabinet - 13 x 8 x 3.5 cm



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Copper Copper Copper Copper Copper Copper

Large, heavy mass of Copper crystals. Individual crystals reach 1.5cm in size.

M792 - Tsavorite with Zoisite  sold

Merelani Hills, Arusha, Tanzania
Thumbnail - 2 x 1.4 x 1.1 cm



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Tsavorite with Zoisite Tsavorite with Zoisite Tsavorite with Zoisite

A 1.4cm Tsavorite crystal on Graphite with a small partial yellow Zoisite crystals atttached. The combination of Zoisite with Tsavorite is uncommon. Contacted on the backside. The Tsavorite has glassy faces and superb color.


M808 - Diaspore  sold

Milas, Mugla Prov., Turkey
Thumbnail - 0.8 x 0.6 x 0.4 cm



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Diaspore Diaspore Diaspore

V-twin crystal of color change Diaspore. From new finds in the mountains near Milas, these new Diaspore crystals are spectacular in color and form and one of the most exciting recent finds. Complete all around with perfect undamaged terminations. Medium purple color in natural sunlight and greenish gold in incandescent lighting.


M811 - Diaspore  sold

Milas, Mugla Prov., Turkey
Thumbnail - 0.8 x 0.6 x 0.3 cm



(click on an image to enlarge)

Diaspore Diaspore Diaspore

V-twin crystal of color change Diaspore. From new finds in the mountains near Milas, these new Diaspore crystals are spectacular in color and form and one of the most exciting recent finds. Complete all around with perfect undamaged terminations. Medium purple color in natural sunlight and greenish gold in incandescent lighting. A little jewel.


M824 - Fluorite  sold

Charles Pfizer & Company Inc. Quarry, Gibsonburg, Sandusky County, Ohio, USA
Miniature - 5 x 3.5 x 3 cm



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Fluorite Fluorite

Transparent brown cubes of Fluorite on matrix. Highly Fluorescent. Rare older specimen from the 1970s.


M761 - Prehnite after Anhydrite   $240  available

Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA
Small Cabinet - 6 x 6 x 2.5 cm



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Prehnite after Anhydrite Prehnite after Anhydrite Prehnite after Anhydrite Prehnite after Anhydrite

Translucent apple green Prehnite cast that formed over a flat, tabular Anhydrite that then dissolved away leaving this hollow cast. Botryoidal, translucent Prehnite forms over the front and back with the shape of the former Anhyrite easily seen when looking up from the opening in the bottom. A wonderful example from long ago, and not as jumbled as some larger pieces are - this is a nice distinct cast of a single large crystal.

M598 - Rhodochrosite with Fluorite  sold

Sunnyside Mine, Silverton, San Juan Co. Colorado, USA
Small Cabinet - 7.5 x 6 x 4.5 cm



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Rhodochrosite with Fluorite Rhodochrosite with Fluorite Rhodochrosite with Fluorite Rhodochrosite with Fluorite

Pale blueish green Fluorite crystals with pink Rhodochrosite from a classic Colorado locality, on a Quartz and sulfide rich matrix.


M801 - Chrysoberyl  sold

Tancreado, Santa Teresa, Espirito Santa, Brazil
Thumbnail - 1.8 x 1.5 x 1.1 cm



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Chrysoberyl Chrysoberyl Chrysoberyl Chrysoberyl Chrysoberyl

Glassy and gemmy Chrysoberyl. Twinned and double-terminated. Undamaged with a tiny point of contact on the backside. Great color with large transparent zones.


M832 - Chalcoalumite   $220  available

Grandview Mine, Grand Canyon, Coconino Co., Arizona, USA
Miniature - 5 x 3.5 x 2.5 cm



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Chalcoalumite Chalcoalumite Chalcoalumite Chalcoalumite

Bright Robin's egg blue Chalcoalumite covering matrix. These specimens are very hard to come by now as the locality is now part of a national park. This old copper mine began operation in 1892, stopped operation around 1907, and became a part of the national park in 1940. The specimen is likely over 100 years old! From an old collection and comes mounted in a plastic box.

M826 - Wulfenite with Mimetite  sold

San Francisco Mine, Sonora, Mexico
Small Cabinet - 7.5 x 5 x 4.5 cm



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Wulfenite with Mimetite Wulfenite with Mimetite Wulfenite with Mimetite Wulfenite with Mimetite

Wulfenite crystals over tiny yellow spherical masses of Mimetite. Crystals on both side of specimen with Wulfenite crystalst to 1.3cm on edge. There are a few broken crystals but most are good. Old specimen from an old Gold mine dating back to the 1800s that is more famous for Wulfenite than Gold.


M825 - Purpurite  sold

Usakos, Namibia
Small Cabinet - 5.5 x 4.5 x 1.8 cm



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Purpurite Purpurite Purpurite

Purpurite covering both the front and back sides of rock matrix. Well saturated color that shimmers slightly when you turn it in the light. Out of an old collection from the 1980s.


M833 - Variscite  sold

Avant, Garland Co., Arkansas, USA
Miniature - 5 x 5 x 2.5 cm



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Variscite Variscite Variscite

Bright lime green crystals of Variscite on sandstone. Out of an old collection from the 1980s. Old label indicates this is a rare specimen.


M827 - Papagoite  sold

New Cornelia Pit, Ajo, Pima Co., Arizona, USA
Miniature - 4 x 2.8 x 2.8 cm



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Papagoite Papagoite Papagoite

Bright blue Papagoite covering one face of a reddish rock matrix. From the type locality for Papagoite which was discovered in Ajo in 1960. Out of an old collection from the 1980s.


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