Mixed Minerals — Marin Mineral

Mixed Minerals
May 3, 2009 · 13 specimens

AF785 - Calcite on Ettringite sold

N'Chwanning Mine, Kuruman, South Africa
Miniature - 3.4 x 2.5 x 2 cm

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Large, translucent Ettringite crystals to1.5cm with attached elongated white Calcite crystals. I obtained this specimen 15 years ago from a collection. While some Ettringites can develop a brown surface alteration, this specimen has retained is bright yellow color. Teh Calcites add contrast and a nice composition t the specimen, 3.4 x 2.5 x 2 cm.

AF786 - Libethenite sold

Area E open pit, Rokana Mine, Kitwe, Zambia
Miniature - 3.8 x 2 x 2 cm

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Deep forest green Libethenite crystal cluster 1.5 cm wide in vug lined with a platy brown mineral and small pink crystals. High quality piece with good sized Libethenite cluster. 3.8 x 2 x 2 cm.

AF787 - Aegirine with Quartz sold

Mt. Malosa, Zomba, Malawi
Small Cabinet - 6.5 x 2 x 2 cm

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Thick, lustrous dark green crystal with smaller crystals and smokey quartz crystals attached. All Aegerine crystals are double terminated making this a floater specimen, 6.5 x 2 x 2 cm.

AF788 - Diopside with Graphite sold

Merelani Hills, Tanzania
Thumbnail - 2.5 x 2 x 1.5 cm

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Gemmy green Diopside crystal with good luster and transparency intergrown with Graphite, 2.5 x 2 x 1.5 cm.

AF789 - Dioptase sold

Tsumeb, Namibia
Small Cabinet - 7 x 6.5 x 3.5 cm

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Matrix Dioptase specimen with individual crystals to 7mm against a white matrix, which to me make for the best Tsumeb Dioptase specimens. The crystals have excellent luster and are coated by what Iis possibly Minrecordite. Good specimen, 7 x 6.5 x 3.5 cm.

A813 - Pyromorphite sold

Daoping Mine, Guangxi Prov., China
Small Cabinet - 7.5 x 5 x 2.8 cm

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Floater specimen of densly packed crystals of olive green Pyromorphite. This specimen features good large crystals to over 1.5cm in length. The crystals from this pocket are more elongated and spikey in form than typically seen from the mine. Good specimen, size 7.5 x 5 x 2.8 cm.

A814 - Lazurite sold

Bandakstan, Afghanistan
Cabinet - 10.5 x 7 x 9 cm

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Huge single crystal well exposed in marble, crystal is well formed and a whopping 4.5 cm wide, rarely seen in this size, 10.5 x 7 x 9 cm.

A815 - Schorl with Quartz sold

Afghanistan
Small Cabinet - 5.3 x 4.5 x 4 cm

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Fine, undamaged specimen of light smokey Quartz partially grown around a terminated Schorl crystal. While neither species is rare, this is a particularly attractive combo of the two, accented by clusters of Muscovite, size 5.3 x 4.5 x 4 cm.

NA261 - Natrolite sold

Jeffrey Mine, Asbestos, Quebec, Canada
Miniature - 3.9 x 1.1 x 0.7 cm

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Rare pink Natrolite crystal from the Jeffrey Mine. Terminated single crystal with a smaller 1.3 cm crystal sticking through the termination. From the Frank Edwards Collection, main crystal is 3.9 x 1.1 x 0.7 cm.

NA262 - Adamite sold

Mina Oujela, Mapimi, Durango, Mexico
Small Cabinet - 6 x 4 x 4 cm

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Unusual chocolate brown Adamite crystals on limonite, a good addition to a Mapimi suite, 6 x 4 x 4 cm.

NA263 - Adamite sold

Mina Oujela, Mapimi, Durango, Mexico
Small Cabinet - 8.5 x 5.5 x 2.5 cm

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Gemmy, bright yellow over purple Adamite crystals on limonite. The transparency is very good as is the intense color and color combination, 8.5 x 5.5 x 2.5 cm.

SA906 - Pyrite sold

Huanzala, Peru
Small Cabinet - 6 x 5 x 4 cm

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3.6 cm wide cluster of larger cubo octahedral Pyrite crystals on a pyrite matrix. Displays nicely with the cluster of crystals rising up off the matrix, different that the typical masses of Pyrite, size 6 x 5 x 4 cm.

SA907 - Zinkenite sold

San Jose Mine, Oruro, Bolivia
Miniature - 4 x 2.6 x 1.3 cm

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Two attached \"sprays\" of very bright Zinkenite. This is an uncommonly good large cluster of nothing but Zinkenite crystals brought out of Bolivia by a geologist friend years ago, 4 x 2.6 x 1.3 cm.

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