Marin Mineral
Mixed Minerals
September 12, 2018  ·  11 specimens

C560 - Covellite   $3,800  available

Annie Vein, Summitville, Colorado, USA
Small Cabinet - 7.5 x 7 x 6 cm



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Covellite Covellite Covellite

Irridescent blades of Covellite crystals in a few different areas on matrix. Ex. J.H. Marshall Jr. and Geary Murdock collections and comes with three old labels. One label indicates 'exceptionally well crystallized Covellite. One of the finest specimens I have ever seen from this locality'.

C561 - Benitoite, Neptunite  sold

Gem Mine, San Benito Co., California, USA
Cabinet - 15 x 8.0 x 3 cm



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Benitoite, Neptunite Benitoite, Neptunite Benitoite, Neptunite Benitoite, Neptunite

Flat matrix of Natrolite coated schist studded with Neptunite and Benitoite crystals. Largest Benitoite is 1.5cm, with Neptunites to 2.7cm.


C562 - Benitoite, Neptunite  sold

Gem Mine, San Benito Co., California, USA
Miniature - 3.8 x 2.5 x 1.8 cm



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Benitoite, Neptunite Benitoite, Neptunite Benitoite, Neptunite Benitoite, Neptunite

Flat matrix of Natrolite coated schist with Neptunite and Benitoite crystals. Largest Benitoite is 1.3cm. I'm always on the lookout for Benitoite crystals with good luster, and this is one of those rare finds with great luster and deep blue color. Areas of transparency in the Benitoite crystals.


C563 - Quartz with petroleum  sold

Zhob, Belochistan, Pakistan
Thumbnail - 2.4 x 1.7 x 1.3 cm



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Quartz with petroleum Quartz with petroleum Quartz with petroleum

Double-terminated clear Quartz crystal with inclusions of yellow petroleum (oil). There is one indentation from another crystal and the crystal is pristine and undamaged. Lots of oil in this one and larger sized than most. The oil is fluorescent.


C565 - Cumengite  sold

Amelia Mine, Santa Rosalia, Baja Sur, Mexico
Thumbnail - 0.9 x 0.7 x 0.7 cm



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Cumengite Cumengite Cumengite Cumengite

Rare Cumengite specimen just released for sale by a Mexican miner. Cumengite is a rare halide that grows on the faces of Boleite cubes. On this specimen, there are large, perfect pointed crystals of Cumengite on 3 of Boleite cube faces, a pair of short pointed crystals on one face, and two small, contacted crystals on the remaining 2 cube faces.


C566 - Quartz  sold

McEarl Mine, Garland Co., Arkansas, USA
Cabinet - 10 x 4 x 4 cm



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Quartz Quartz Quartz Quartz

Water clear transparent Quartz crystals of the high quality this mine is famous for. Main crystal is pristine and undamaged without even the slightest internal veil or imperfection in the upper half. One small nick present on the small side crystal.


C568 - Prehnite  sold

Merelani Hills, Arusha, Tanzania
Miniature - 4.5 x 3.5 x 3.5 cm



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Prehnite Prehnite Prehnite Prehnite

Cluster of translucent yellow Prehnite crystals on Graphite. Such yellow Prehnites have come from Merelani sporadically over the years, but never before in the quality that has been found in the last year. This specimen has big chunky crystals all over in a mound shaped formation. There is some chipping present, but mostly nothing but great crystals sticking out in various directions. A good one for the find.


C569 - Prehnite  sold

Merelani Hills, Arusha, Tanzania
Miniature - 4 x 2.5 x 2 cm



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Prehnite Prehnite Prehnite

Cluster of translucent yellow Prehnite crystals. Such yellow Prehnites have come from Merelani sporadically over the years, but never before in the quality that has been found in the last year. This specimen has big chunky crystals all over, nothing but great crystals sticking out in various directions. A good one for the find.


C570 - Prehnite   $300  available

Merelani Hills, Arusha, Tanzania
Miniature - 4 x 3 x 2.8 cm



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Prehnite Prehnite Prehnite Prehnite

Cluster of translucent yellow Prehnite crystals on Graphite. Such yellow Prehnites have come from Merelani sporadically over the years, but never before in the quality that has been found in the last year. This specimen has big chunky crystals all over in a tall mound shaped formation. There is some chipping present, but mostly nothing but great crystals sticking out 360 degrees in all directions. A good one for the find.


C572 - Apatite   $500  available

Panasquiera, Portugal
Small Cabinet - 6.5 x 4.5 x 4 cm



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Apatite Apatite Apatite Apatite Apatite

Large blue/green Apatite crystals on Quartz crystals with Siderite. The Apatite crystals are highly lustrous and reach 2cm in size. Undamaged.

C573 - Wulfenite  sold

Mina Oujela, Mapimi, Durango, Mexico
Small Cabinet - 7 x 5 x 3 cm



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Wulfenite Wulfenite Wulfenite

Distinctive Wulfenite crystals from recent finds at Mina Oujela. This is almost solid Wulfenite with just a small amount of Limonite on the bottom. It also uncommon for being relatively large sized without damage.


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