Mixed Minerals — Marin Mineral

Mixed Minerals
July 17, 2009 · 15 specimens

A101 - Fluorite sold

Shangbao Mine, Hunan Province, China
Cabinet - 10 x 7 x 7 cm

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Large, highly transparent purple crystal. Some crystal faces have glassy luster, others are more matte. The crystal is lightly included with long silvery needles of Jamesonite, Bismuthinite or similar.

AF793 - Sapphire sold

Winza, Dodoma, Tanzania
Thumbnail - 2.3 x 1.8 x 1.7 cm

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Fine thumbnail sized Sapphire specimen featuring a gem pink and blue Sapphire crystals on matrix. The crystal is 1.2cm on edge and 1.5cm wide on the backside. Very sharp form with excellent transparency. Best quality have seen from this occurrence, excellent specimen.

AF794 - Tsavorite sold

Merelani Hills, Arusha, Tanzania
Thumbnail - 2.6 x 2.3 x 1.7 cm

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Highly saturated green Tsavorite with excellent surface luster. These are harder to come by now, especially in good crystals of this size and color. Some damage along a couple edges where it was likely attached to matrix and a little surface chatter along one edge. Beautiful, rare crystal.

AF795 - Zircon sold

Mashewa, Tanga Region, Tanzania
Thumbnail - 1.5 x 1 x 0.9 cm

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Fine Zircon crystal much better than most being produced here. Complete crystal with good luster, high degree of transparency, and a more red/brown color than most which tend to be more brown.

AF796 - Spinel sold

Mahenge, Mogorogoro Region, Tanzania
Thumbnail - 1.3 x 1 x 0.9 cm

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Single octahedral crystal with a really great pink color, very gemmy too.

AF797 - Tanzanite sold

Merelani Hills, Arusha, Tanzania
Thumbnail - 2.8 x 2 x 0.8 cm

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Fine undamaged crystal with excellent form and luster. Complete all around, an excellent crystal for this price.

NA269 - Fluorite with Barite sold

Boulder Hill Mine,Wellington,Nevada
Small Cabinet - 9 x 6.5 x 4.5 cm

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Here's a chance for a Fluorite collector to get one from Nevada, a state not known for it's Fluorite. Floater cluster with large, translucent Fluorite cubes to 3.6cm across. Backside is sprinkled with small Barite crystals. A good Nevada Fluorite. Self-collected.

SA919 - Pyrite, Chalcopyrite, Quartz on Sphalerite sold

Alimon Mine, Huaron District, Peru
Cabinet - 11 x 6.5 x 3.5 cm

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Pyrite, Chalcopyrite, Quartz on Sphalerite

Showy combination specimen with well dispersed mixture of all species across the surface of crystallized Sphalerite. This is over 4 inches wide with loads of good crystals.

SA920 - Pyrite on Quartz sold

Alimon Mine, Huaron District, Peru
Small Cabinet - 7.5 x 6 x 4 cm

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Long, thin clear Quartz crysal accented with lustrous Pyrite cubes. Bright, clean looking specimen.

SA921 - Chalcopyrite, Quartz on Sphalerite sold

Alimon Mine, Huaron District, Peru
Small Cabinet - 5.5 x 5 x 3 cm

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Fan-like sprays of clear Quartz crystals intergrown with Chalcopyrite on crystallized Sphalerite. The Chacopyrite crystals have a micro druse coating of what appears to be another generation of Chalcopyrite.

SA922 - Pyrite with Quartz sold

Alimon Mine, Huaron District, Peru
Miniature - 3.5 x 3 x 2.5 cm

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Mound shaped specimen of Pyrite intergrown with long clear Quartz crystals, good from all angles.

SA923 - Pyrite, Chalcopyrite, Quartz on Sphalerite sold

Alimon Mine, Huaron District, Peru
Small Cabinet - 6.5 x 5 x 3.5 cm

(click on an image to enlarge)

Showy combination specimen with dense clusters of long clear Quartz crystals, pyrite cubes, and a 1cm Chaclpyrite crystal.

SA924 - Pyrite, Chalcopyrite, Quartz on Sphalerite sold

Alimon Mine, Huaron District, Peru
Cabinet - 10.5 x 4.5 x 4.5 cm

(click on an image to enlarge)

Long, clear Quartz crystals spiking up off the surface of crystallized Sphalerite with Pyrite and Chalcopyrite, including one wedged between teh terminations of two Quartz crystals.

T56 - Tanzanite sold

Merelani Hills, Arusha, Tanzania
Miniature - 3.6 x 2.4 x 1.6 cm

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Highly transparent Tanzanite crystal with excellent color. This crystal is from recent finds from a zone that is producing blue and green striped crystals when viewed in one direction. On the main face there is a central vertical blue zone with light green on the edges, more apparent in person than the photos. Top quality.

T57 - Tanzanite sold

Merelani Hills, Arusha, Tanzania
Miniature - 3.7 x 2.6 x 1.1 cm

(click on an image to enlarge)

Highly transparent Tanzanite crystal with excellent color. This crystal is from recent finds from a zone that is producing blue and green striped crystals when viewed in one direction. On the main face there is a central vertical blue zone with light green on the edges. Top quality, undamaged except for very tiny chipping along the termination.

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