Marin Mineral
Thumbnails!
June 10, 2023  ·  12 specimens

Mixed thumbnails from the Dennis Ewell collection.  Most include his hand written labels.

AU518 - Spessartine  sold

Amelia Courthouse, Virginia, USA
Thumbnail - 1.6 x 1.5 x 0.8 cm



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Spessartine Spessartine Spessartine

Hard to find USA classic Spessartine on matrix. A complete all around 5mm Spessartine perched on matrix.


AU519 - Hubnerite with Quartz  sold

Mundo Nuevo Mine, La Libertad Dept., Peru
Thumbnail - 2 x 2 x 1.5 cm



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Hubnerite with Quartz Hubnerite with Quartz Hubnerite with Quartz

Tabular single Hubnerite crystal with attached transparent Quartz crystals. Sharply formed and undamaged.


AU520 - Cafarsite   $300  available

Wannigletscher, Scherbadung, Valais (Wallis), Switzerland
Thumbnail - 2.5 x 2.5 x 1 cm



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Cafarsite Cafarsite Cafarsite

Uncommon matrix specimen of Cafarsite with a well placed 8mm crystal. Cafarsite is a rare calcium, titanium, iron, manganese arsenate mineral. From the type locality.


AU526 - Kinoite  sold

Christmas Mine, Gila Co., Arizona, USA
Thumbnail - 2 x 1.5 x 1 cm



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Kinoite Kinoite Kinoite Kinoite

Vivid blue aggregates of Kinoite crystals and clear Apophyllite on matrix. This specimen has very nice, larger than average crystal groups to 3mm.


AU534 - Axinite  sold

Toroku Mine, Miyazaki Pref., Japan
Thumbnail - 2.1 x 1.5 x 1.3 cm



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Axinite Axinite Axinite Axinite

Well crystallized, undamaged cluster of purple Axinite crystals from Japan. Translucent to transparent and complete all around. Old, hard to find Japanese classic.


AU532 - Skutterudite  sold

Hudson Bay Mine, Gowganda, Ontario, Canada
Thumbnail - 1 x 0.5 x 0.5 cm



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Skutterudite Skutterudite Skutterudite Skutterudite

Small well crystallized cluster of Skutterudite var. Shaltite. There are two main cubic crystals with octahedral modifications. From MINDAT: 'Discovered in 1908 and brought into production by Hudson Bay Silver Mines Ltd. in 1910. Acquired by the Rusty Lake Mining Corp. in 1960 and then by Rustex Mining Corp. in 1968. The mine was shut down in 1968.'


AU540 - Realgar  sold

Green River Gorge, King Co., Washington, USA
Thumbnail - 0.8 x 0.8 x 0.6 cm



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Realgar Realgar Realgar Realgar

Fine quality 8mm doubly-terminated Realgar crystal on another partial Realgar crystal. Bright red color and translucent to transparent. Green River Gorge has produced North America's finest Realgar but is seldom seen available.


AU545 - Bournonite   $140  available

Mitsumine, Chichibu mining district, Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama Prefecture, Japan
Thumbnail - 1 x 0.6 x 0.5 cm



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Bournonite Bournonite Bournonite Bournonite

Single Bournonite crystal from Japan. The crystals has high silvery metallic luster. From MINDAT: 'This district produced the first copper mined in Japan, in the year 707 C.E., early in the reign of Empress Gemmei.'

AU548 - Andradite var. Topazolite  sold

Yellowcat Mine (Junnila Mine), San Benito Co., California, USA
Thumbnail - 2.5 x 2.5 x 1.2 cm



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Andradite var. Topazolite Andradite var. Topazolite Andradite var. Topazolite Andradite var. Topazolite

Golden colored Topazolite crystals and dark green Clinochlore on matrix. The Topazolite crystals reach 8mm.


AU549 - Bulfonteinite  sold

N'Chwanning Mine, Kuruman, South Africa
Thumbnail - 1.4 x 0.9 x 0.9 cm



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Bulfonteinite Bulfonteinite Bulfonteinite Bulfonteinite

Translucent pink spherical masses of sparkling Bulfonteinite.


AU551 - Ephesite  sold

Glosam Mine, Western Belt, Northern Cape, South Africa
Thumbnail - 2.5 x 2 x 1.3 cm



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Ephesite Ephesite Ephesite Ephesite

Seldomly seen specimen of pink Ephesite crystals from the Glosam Mine in South Africa. The crystals are a translucent red/pink and form tapering, hexagonal crystals to 6mm in size along a narrow Manganite matrix. The main crystal is translucent, sharp and superb. Ephesite is a rare lithium sodium aluminum silicate mineral.


AU558 - Barite with Orpiment inclusions  sold

Regent Mine, Mineral Co., Nevada, USA
Thumbnail - 2 x 1.5 x 0.7 cm



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Barite with Orpiment inclusions Barite with Orpiment inclusions Barite with Orpiment inclusions Barite with Orpiment inclusions

Glassy, transparent single yellow Barite crystal with inclusions of Orpiment. Complete all around and undamaged.


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