Marin Mineral
Mixed Minerals
June 23, 2021  ·  12 specimens

ST399 - Cobaltian Calcite  sold

Bou Azzer, Morocco
Cabinet - 12 x 10 x 6 cm



(click on an image to enlarge)

Cobaltian Calcite Cobaltian Calcite Cobaltian Calcite Cobaltian Calcite

Large mound-shaped specimen of pink Cobaltian Calcite from Morocco. Undamaged translucent crystals with great color. This was originally purchased by the previous owner for $2,000 and later acquired by me in trade. I can therefore offer it for less than the previous sale price.


ST398 - Malachite  sold

Bisbee, Cochise Co., Arizona, USA
Cabinet - 10.5 x 6 x 5 cm



(click on an image to enlarge)

Malachite Malachite Malachite Malachite Malachite

Specimen of solid Malachite featuring a 5.5cm stalactite of Malachite. A Bisbee classic with a velvety surface and a sawcut on the base which allows it to stand on it's own for display.


ST395 - Selenite  sold

Laurion, Attica, Greece
Large Cabinet - 19 x 9 x 4 cm



(click on an image to enlarge)

Selenite Selenite Selenite Selenite Selenite

Large, water-clear single Selenite crystal with a distinctive yellow strip running down the center. The Selenite shows 'fish tail' twinning and has another smaller included Selenite crystal.


ST396 - Stilbite  sold

Maharashtra State, India
Cabinet - 11 x 9 x 6 cm



(click on an image to enlarge)

Stilbite Stilbite Stilbite Stilbite Stilbite

Large cluster of peach colored Stilbite from the prolific basalt quarries in India. This is an excellent example with both larger sized crystals and better than average deep peach coloration. It's also undamaged and aesthetic.


ST420 - Rose Quartz  sold

Sapucaia, Minas Gerais, Brazil
Miniature - 5 x 3.3 x 1.3 cm



(click on an image to enlarge)

Rose Quartz Rose Quartz Rose Quartz Rose Quartz

Tall, narrow wall-like cluster of Rose Quartz crystals from Brazil. Great crystals with classic rose pink coloration. Can be displayed from either side.


ST433 - Emerald  sold

Salzburg, Austria
Miniature - 4.2 x 3 x 1.5 cm



(click on an image to enlarge)

Emerald Emerald Emerald

A 1.4cm Emerald in a dark schist matrix. The Emerald has great medium green color and lots of transparency.


ST438 - Milarite   $300  available

Milarite locality, Rössing Mountains, Erongo Region, Namibia
Thumbnail - 1 x 0.8 x 0.8 cm



(click on an image to enlarge)

Milarite Milarite Milarite

Single well terminated Milarite crystal from Namibia. Milarite is a rare silicate mineral with good crystals found at only a small number of localities worldwide. Well terminated, translucent single crystal with nicely beveled termination edges. A rare thumbnail.


ST436 - Tourmaline  sold

Paprok, Afghanistan
Miniature - 3.5 x 1 x 0.9 cm



(click on an image to enlarge)

Tourmaline Tourmaline Tourmaline Tourmaline

Glassy, transparent single Tourmaline with unusual coloration. It's pink at the base followed by a green zone then a colorless upper half and termination. Complete and undamaged with a steep pyramidal termination. Weighs 5.73 grams.


ST430 - Wurtzite   $350  available

Merelani Hills, Arusha, Tanzania
Thumbnail - 2.3 x 1.6 x 1.4 cm



(click on an image to enlarge)

Wurtzite Wurtzite Wurtzite Wurtzite

Translucent to transparent red/orange single Wurtzite crystal. These were discovered a few years ago at the Merelani Tanzanite mines and are considered the world's best for species.

ST432 - Calcite on Dioptase in Calcite  sold

Tsumeb, Namibia
Small Cabinet - 6.5 x 4 x 2 cm



(click on an image to enlarge)

Calcite on Dioptase in Calcite Calcite on Dioptase in Calcite Calcite on Dioptase in Calcite

Bright green Dioptase crystals included within clear, rhombic Calcite crystals that were later covered by smaller, pearly white crystals of Calcite or Dolomite. There are even a few small Dioptase crystal on top the second generation of Calcite.


ST441 - Tourmaline  sold

Hyakule, Sankhuwasabha District, Kosi Zone, Nepal
Miniature - 3.5 x 0.6 x 0.5 cm



(click on an image to enlarge)

Tourmaline Tourmaline Tourmaline Tourmaline

Rare gem pink Tourmaline crystal from Nepal. This is an excellent crystal for the locality, fully transparent with a greenish yellow zone near the termination. Though not as well known, Nepal has produced small amounts of some very high quality Tourmaline. Found long ago, this crystal is undamaged and weighs 2.36 grams.


ST421 - Rhodochrosite on Quartz  sold

Oppu Mine, Aomori Prefecture, Honshu Island, Japan
Miniature - 3.5 x 2 x 2 cm



(click on an image to enlarge)

Rhodochrosite on Quartz Rhodochrosite on Quartz Rhodochrosite on Quartz

Finger-like masses of pink Rhodochrosite and transparent Quartz crystals combine to create a stunning and uncommon miniature.


« All updates
©2026 Marin Mineral