Marin Mineral
Mixed Minerals
April 2, 2020  ·  8 specimens

K801 - Spinel  sold

Mahenge, Morogoro, Tanzania
Thumbnail - 2.5 x 2 x 2 cm



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Spinel Spinel Spinel Spinel

Cluster of translucent pink Spinel crystals. Sharply formed aesthetic group that displays well on white Calcite. One nicked corner, toherwise perfect and compelte all around.


K878 - Tsavorite   $350  available

Merelani Hills, Arusha, Tanzania
Thumbnail - 1.7 x 1.7 x 0.9 cm



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Tsavorite Tsavorite Tsavorite

Large single crystal, glassy and transparent. Weighs 4.25 grams.


M788 - Tsavorite  sold

Merelani Hills, Arusha, Tanzania
Thumbnail - 1.8 x 1.8 x 0.9 cm



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Tsavorite Tsavorite Tsavorite Tsavorite Tsavorite

Large single crystal, glassy and transparent.


M794 - Tsavorite  sold

Merelani Hills, Arusha, Tanzania
Thumbnail - 2.2 x 1.9 x 1.5 cm



(click on an image to enlarge)

Tsavorite Tsavorite Tsavorite Tsavorite

Large single crystal, glassy and transparent.


M543 - Smokey Quartz on Feldspar  sold

Dogtooth Peak, Fresno Co., California, USA
Small Cabinet - 6 x 4.5 x 3.2 cm



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Smokey Quartz on Feldspar Smokey Quartz on Feldspar Smokey Quartz on Feldspar Smokey Quartz on Feldspar

Cluster of transparent Smokey Quartz crystals intergrown with Feldspar crystals from the pegmatite wall.


M841 - Sanidine  sold

Itrongay, Betroka, Anosy Region, Madagascar
Miniature - 3.5 x 3.5 x 2.2 cm



(click on an image to enlarge)

Sanidine Sanidine Sanidine

Feldspar is a mineral not ususally known for fine collector gem crystals, but at this locality in Madagascar, amazing water clear crystals are sometimes found. This is a large, thick crystal in good condition, with a cleavage fase on one edge and minor edge chipping. The crystal has a good yellow coloration and is internally transparent. Weighs 53 grams.


M932 - Tsavorite  sold

Merelani Hills, Arusha, Tanzania
Miniature - 4.3 x 3.5 x 2 cm



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Tsavorite Tsavorite

A very nice 9mm single crystal in Graphite matrix. The color is a deep green and it's undamaged. There are Diopside, Pyrite, and Calcite in association.


M894 - Ilvaite   $75  available

Huanggang Mine, Inner Mongolia, China
Thumbnail - 3 x 1.4 x 1.2 cm



(click on an image to enlarge)

Ilvaite Ilvaite Ilvaite Ilvaite

Glossy single black Ilvaite crystal with typical chisel-shaped termination. Complete all around.


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