Marin Mineral
Mixed Minerals
March 18, 2021  ·  13 specimens

LL836 - Wulfenite with Mimetite  sold

Mina Ojuela, Mapimi, Durango, Mexico
Small Cabinet - 8.2 x 5 x 4 cm



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

Unusual and lustrous spiky orange Wulfenite and green Mimetite covering all sides of specimen. Crystals of an uncommon habit on both sides. A few are missing, but the majority are perfect with amazing elongated form, some double-terminated. Great coverage of green Mimetite too. When these first hit the market they were quite a sensation.


LL837 - Pyromorphite  sold

Daoping Mine, Guangxi Prov., China
Small Cabinet - 8 x 6.5 x 5 cm



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Pyromorphite Pyromorphite Pyromorphite Pyromorphite

This specimen is loaded with bright, lime green crystals of Pyromorphite, with a central crystal group 3cm wide that spans the entire vug. Translucent green crystals with top color and in near pristine condition.


LL840 - Copper on Mine Timbers  sold

Ray Mine, Pinal Co., Arizona, USA
Small Cabinet - 8 x 7.5 x 7 cm



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Copper on Mine Timbers Copper on Mine Timbers Copper on Mine Timbers Copper on Mine Timbers Copper on Mine Timbers Copper on Mine Timbers

Masses of solid Copper intergrown with mine timbers (wood). This is a post mining occurrence formed when Copper precipitated out of solution in an old underground portion of the mine. This specimen was found in 1997 when work in the ASARCO open pit intersected with old underground workings. Fascinating combination of miner and nature, an interesting conversation piece.


LL874 - Cyanotrichite on Chalcoalumite  sold

Grandview Mine, Grand Canyon, Coconino Co., Arizona, USA
Small Cabinet - 8 x 6 x 4 cm



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Cyanotrichite on Chalcoalumite Cyanotrichite on Chalcoalumite Cyanotrichite on Chalcoalumite Cyanotrichite on Chalcoalumite

Beautiful bright blue spherical clusters of Cyanotrichite on light blue/green Chalcoalumite. These specimens are very hard to come by now as the locality is now part of Grand Canyon National Park. This old copper mine began operation in 1892, stopped operation around 1907, and became a part of the national park system in 1940. The specimen is likely over 100 years old!


LL875 - Cyanotrichite with Brochantite  sold

Grandview Mine, Grand Canyon, Coconino Co., Arizona, USA
Small Cabinet - 8 x 6 x 4 cm



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Cyanotrichite with Brochantite Cyanotrichite with Brochantite Cyanotrichite with Brochantite Cyanotrichite with Brochantite Cyanotrichite with Brochantite Cyanotrichite with Brochantite

Beautiful bright blue spherical clusters of Cyanotrichite, dark green Brochantite, and light blue/green Chalcoalumite. Good crystals on all sides of specimen. These specimens are very hard to come by now as the locality is now part of Grand Canyon National Park. This old copper mine began operation in 1892, stopped operation around 1907, and became a part of the national park system in 1940. The specimen is likely over 100 years old!


LL843 - Tourmaline on Lepidolite  sold

Golconda Mine, Minas Gerais, Brazil
Small Cabinet - 6 x 3 x 3 cm



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Tourmaline on Lepidolite Tourmaline on Lepidolite Tourmaline on Lepidolite Tourmaline on Lepidolite

A 4.5cm gem Tourmaline crystal atop purple Lepidolite. The Tourmaline is a beautiful green color, perfectly terminated, and undamaged with very slight etching in areas. There are also micro Tourmaline crystals and some Albite attached to the Lepidolite cluster (which is a complete floater with no points of attachment). A classic, stunning Brazilian matrix Tourmaline specimen.


LL860 - Andalusite var. Chiastolite  sold

Lancaster, Worcester Co., Massachusetts, USA
Small Cabinet - 7.5 x 1.8 x 1.5 cm



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Andalusite var. Chiastolite Andalusite var. Chiastolite Andalusite var. Chiastolite

Long single crystal of Andalusite, cut and polished on one end to show the cross-formation known as chiastolite. Most of the time these are cut up into slices and having a complete long crystal is rare.


LL851 - Erythrite  sold

Bou Azzer Mine, Ouarzazate Province, Draa-Tafilalet Region, Morocco
Small Cabinet - 6.5 x 3.5 x 3.5 cm



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Erythrite Erythrite Erythrite Erythrite

Crystals of bright purple Erythrite with individual crystals to 3cm in size. Excellent for the species!


LL844 - Mimetite var. Campylite  sold

Dry Gill Mine, Caldbeck, Allerdale, Cumbria, England
Small Cabinet - 8.3 x 5 x 4 cm



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Mimetite var. Campylite Mimetite var. Campylite Mimetite var. Campylite Mimetite var. Campylite Mimetite var. Campylite

Spherical clusters of yellow Mimetite var. Campylite on matrix of Quartz coated by black manganese oxides, which provide a nice contrast to the yellow Campylite. The main crystal is perfect and exceptionally large at 1.5cm wide. An old specimen from early workings at the mine. An antique, hand written label from the Paris Natural History Museum that came with the specimen shows a date of 1906.


LL878 - Selenite on Calcite casts   $1,250  available

Darwin Mining District, Darwin Hills, Inyo Co., California, USA
Cabinet - 15 x 9 x 6.5 cm



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Selenite on Calcite casts Selenite on Calcite casts Selenite on Calcite casts Selenite on Calcite casts

Large, transparent colorless Gypsum var. Selenite crystals atop cream-colored Calcite casts. The Calcite has attached and included small crystals of a golden metallic mineral, possibly Pyrite. The largest Selenite is 6.2cm and pristine. An exceptional specimen for the locality. A very artistic and sculptural specimen.


LL687 - Cornubite  sold

Majuba Hill Mine, Pershing Co., Nevada, USA
Thumbnail - 3 x 2.5 x 2 cm



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Cornubite Cornubite Cornubite

Rich coverage of deep green Cornubite lining a cavity in matrix. Small but high quality example of this rare species.


LL877 - Stephanite  sold

Proano Mine, Fresnillo de González Echeverría, Fresnillo Municipality, Zacatecas, Mexico
Thumbnail - 1.6 x 1.3 x 1.3 cm



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Stephanite Stephanite Stephanite Stephanite

Exquisite cluster of silvery Stephanite crystals with attached Pyrite. There are 4 main crystals in the cluster, the largest 1cm on the diagonal. This is a floater group with no contacts, perfect and undamaged. A rare, superb Silver mineral, better than photos.


LL22 - Aquamarine with Quartz  sold

California Blue Mine, Yucca Valley, Riverside Co., California, USA
Miniature - 4.7 x 4 x 3.5 cm



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Aquamarine with Quartz Aquamarine with Quartz Aquamarine with Quartz

Gem quality 3.5cm Aquamarine crystal on Albite with Smokey Quartz. This locality has produced some of California's best ever Aquamarine specimens and this is a good one and a less common matrix specimen for the find. It's a pristine floater, crystallized all around (even the bottom shows Quartz crystal faces). The Aqua has etched terminations on each end and is transparent. I was told by a gem dealer familiar with this material that this one is especially good for cutting compared to most which have internal veils, and this one has approximately $1200 in cutting value alone. Clearly a major matrix Aquamarine from the state of California.


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