Marin Mineral
Tucson 2019
March 7, 2019  ·  25 specimens

J327 - Amethyst, Amethyst after Calcite  sold

San Vicente Mine, Guanajuato, Mexico
Small Cabinet - 8.5 x 6.5 x 3.0 cm



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Amethyst, Amethyst after Calcite Amethyst, Amethyst after Calcite Amethyst, Amethyst after Calcite Amethyst, Amethyst after Calcite

Lighter colored Amethyst that has psuedomorphed Calcite crystals atop darker Amethyst crystals. A beautiful specimen with added interest of the psuedomorphs.


J313 - Quartz on Chrysocolla, Malachite  sold

Globe, Arizona, USA
Cabinet - 9.5 x 7.5 x 3.5 cm



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Quartz on Chrysocolla, Malachite Quartz on Chrysocolla, Malachite Quartz on Chrysocolla, Malachite

Bubbly masses of blue Chalcedony (sometimes called 'gem silica') over a matrix of Chrysocolla and Malachite.


J314 - Cinnabar on Quartz  sold

Yanwuping Mine, Tongren, Guizhou, China
Small Cabinet - 7 x 5 x 5 cm



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Cinnabar on Quartz Cinnabar on Quartz Cinnabar on Quartz Cinnabar on Quartz Cinnabar on Quartz

Four perfect 'drill bit' twin Cinnabar crystals on sparkling Quartz crystals. Undamaged and uncommonly beautiful specimen.


J320 - Fluorite in Quartz  sold

Miandrivazo, Fianarantsoa Province, Madagascar
Small Cabinet - 6.5 x 1.8 x 1.5 cm



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Fluorite in Quartz Fluorite in Quartz Fluorite in Quartz Fluorite in Quartz

Double terminated clear Quartz crystal with inclusions of purple Fluorite crystals. These were found one time perhaps 10 years ago and have not been found since. I count 5 included Fluorite crystals. Undamaged.


J322 - Fluorite in Quartz  sold

Miandrivazo, Fianarantsoa Province, Madagascar
Miniature - 4.7 x 1.8 x 1.5 cm



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Fluorite in Quartz Fluorite in Quartz Fluorite in Quartz

Pair of attached, double-terminated clear Quartz crystals with inclusions of purple Fluorite crystals. These were found one time perhaps 10 years ago and have not been found since. There are 2 included Fluorite crystals. Undamaged.


J319 - Fluorite in Quartz  sold

Miandrivazo, Fianarantsoa Province, Madagascar
Small Cabinet - 6.5 x 2 x 1.6 cm



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Fluorite in Quartz Fluorite in Quartz Fluorite in Quartz Fluorite in Quartz Fluorite in Quartz

Double terminated clear Quartz crystal with inclusions of purple Fluorite crystals. These were found one time perhaps 10 years ago and have not been found since. I count at least 10 included Fluorite crystals. A couple tiny edge chips but basically undamaged.


J318 - Fluorite in Quartz   $320  at-auction

Miandrivazo, Fianarantsoa Province, Madagascar
Small Cabinet - 7.9 x 2 x 1.7 cm



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Fluorite in Quartz Fluorite in Quartz Fluorite in Quartz

Double terminated clear Quartz crystal with inclusions of purple Fluorite crystals. These were found one time perhaps 10 years ago and have not been found since. There are 2 included Fluorite crystals. A couple edge chips but in overall great condition.


J267 - Pyrhottite   $260  available

Santa Eulalia, Chihuahua, Mexico
Small Cabinet - 6 x 5.5 x 4 cm



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Pyrhottite Pyrhottite Pyrhottite Pyrhottite Pyrhottite

Large, chunky single Pyrhottite crystal from Mexico. This is from an old collection and these are now uncommon to find. Besides being a large crystal, it has an interesting purple sheen over much of the surface.

J312 - Spinel  sold

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



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Spinel Spinel Spinel Spinel

Red Spinel crystals with good color in Calcite. There are two crystals, largest is 2cm tall. Complete all around and undamaged. Good translucency.


J268 - Spinel with Pargasite  sold

Mahenge, Morogoro, Tanzania
Thumbnail - 2.7 x 2.4 x 1.8 cm



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Spinel with Pargasite Spinel with Pargasite Spinel with Pargasite

Octahedral red Spinel crystal partially surrounded by green Pargasite. Great color and Spinel with Pargasite are less common from this locality.


J317 - Spinel  sold

Ruaha, near Mahenge, Morogoro, Tanzania
Miniature - 4.8 x 4 x 2.5 cm



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Spinel Spinel Spinel

Superb floater cluster of octahedral purple Spinel crystals from a new find. Complete all around and undamaged. Good luster and translucency.


J316 - Tsavorite on Graphite  sold

Merelani Hills, Arusha, Tanzania
Miniature - 4 x 2.7 x 2 cm



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Tsavorite on Graphite Tsavorite on Graphite Tsavorite on Graphite

Crystallized Graphite matrix covered by gemmy green Grossular garnet crystal known as Tsavorite. Individual Tsavorite crystals to 8mm. Undamaged.


J315 - Apatite  sold

Namalulu, Tanzania
Miniature - 4 x 3 x 2.8 cm



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Apatite Apatite Apatite

Cluster of large blue to blue/green Apatite crystals. Individual crystals to 2.7cm with good transparency and great color. This is the best cluster of Apatites of this style I've seen so far.


J155 - Spinel  sold

Mahenge, Morogoro, Tanzania
Thumbnail - 2.2 x 2.0 x 1.5 cm



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Spinel Spinel Spinel Spinel Spinel

Octahedral red Spinel crystal cluster with great color. Some contacting on backside but in overall good condition.


J157 - Spinel  sold

Ruaha, near Mahenge, Morogoro, Tanzania
Thumbnail - 1.6 x 1.5 x 1.5 cm



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Spinel Spinel Spinel

Octahedral purple Spinel crystal from a new find. Complete all around and undamaged. Good luster and translucency.


J158 - Spinel  sold

Ruaha, near Mahenge, Morogoro, Tanzania
Thumbnail - 2.6 x 1.9 x 1.6 cm



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Spinel Spinel Spinel Spinel Spinel

Octahedral purple Spinel crystals from a new find. Complete all around with minor edge wear on one edge, otherwise undamaged. Good luster and translucency.


J274 - Spinel  sold

Mahenge, Morogoro, Tanzania
Miniature - 3.7 x 3 x 2 cm



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Spinel Spinel Spinel

Pinkish red Spinel crystal with good color in Calcite. The crystal is 1.6cm wide. Complete all around and undamaged. Good translucency with areas that are transparent.


J306 - Diopside  sold

Merelani Hills, Arusha, Tanzania
Miniature - 3.2 x 2 x 1.2 cm



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Diopside Diopside Diopside

Single Diopside crystal with intense lime green color. Complete all around and undamaged with some Tanzanite attached to the lower left side. Translucent to transparent.


J233 - Chrome Tourmaline  sold

Landani, Tanzania
Thumbnail - 2 x 1.5 x 1.5 cm



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Chrome Tourmaline Chrome Tourmaline Chrome Tourmaline

Double-terminated single gem crystal of Chrome Tourmaline which is a chromium and vanadium rich Dravite. Complete all around with deep emerald green coloration. Fantastic color and undamaged except for a small contact area on the bottom termination. Weighs 7.6 grams.


J301 - Zircon  sold

Mashewa, Tanga Region, Tanzania
Thumbnail - 1.7 x 1.2 x 0.8 cm



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Zircon Zircon Zircon Zircon

Fine quality undamaged single Zircon crystal with good reddish color. Good transparency.


J307 - Tsavorite with Diopside  sold

Merelani Hills, Arusha, Tanzania
Thumbnail - 1.6 x 1.3 x 1.3 cm



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Tsavorite with Diopside Tsavorite with Diopside Tsavorite with Diopside Tsavorite with Diopside

Complete single Tsavorite crystal with attached Graphite and two terminated Diopside crystals.


J308 - Tsavorite with Pyrite  sold

Merelani Hills, Arusha, Tanzania
Thumbnail - 2.5 x 1.4 x 1.2 cm



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Tsavorite with Pyrite Tsavorite with Pyrite Tsavorite with Pyrite Tsavorite with Pyrite

Tsavorite crystals on Graphite with attached Pyrite crystals. Complete all around and undamaged. The main crystal is 1cm and transparent.


J309 - Tsavorite with Pyrite  sold

Merelani Hills, Arusha, Tanzania
Thumbnail - 1.5 x 1.5 x 1.2 cm



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Tsavorite with Pyrite Tsavorite with Pyrite Tsavorite with Pyrite Tsavorite with Pyrite

Tsavorite crystals on Graphite with attached Pyrite crystals. Complete all around and undamaged. The main crystal is 1cm and transparent.


J310 - Tsavorite with Diopside, Pyrite  sold

Merelani Hills, Arusha, Tanzania
Thumbnail - 1.8 x 1.5 x 1.5 cm



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Tsavorite with Diopside, Pyrite Tsavorite with Diopside, Pyrite Tsavorite with Diopside, Pyrite Tsavorite with Diopside, Pyrite Tsavorite with Diopside, Pyrite

Tsavorite crystals on Graphite with attached Pyrite. Two terminated Diopside crystals are squeezed between the Tsavorite and Graphite. Complete all around and undamaged. The main crystal is 1.5cm wide.


J304 - Oil in Quartz  sold

Pakistan
Thumbnail - 2.9 x 2.5 x 1.6 cm



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Oil in Quartz Oil in Quartz Oil in Quartz

Double-terminated Quartz crystal containing a large mass of oil with a moving bubble.


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