Mixed Minerals — Marin Mineral

Mixed Minerals
May 11, 2025 · 12 specimens

R123 - Phosgenite $2,500 available

Monteponi Mine, Iglesias, Sardinia, Italy
Small Cabinet - 7 x 5 x 5 cm

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Gem transparent Phosgenite crystal spanning a vug in silvery sulfide matrix. The Phosgenite is 2.5cm in size and I love the sparkle of the matrix. Ex. Carl Acosta collection and ex. University of Delaware mineralogical museum with label.

R125 - Calcite $900 available

Bigrigg Mine, Egremont, Cumberland, England
Miniature - 5.0 x 4 x 1.6 cm

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Two elongated transparent Calcite crystals rising up off matrix at angles. The Calcite are undamaged, reach 4.5cm in length, and have a slight pink hue. An old classic collected over 100 years ago.

R126 - Grossular with Vesuvianite sold

Chihuahua, Mexico
Cabinet - 9.5 x 8 x 4.5 cm

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Cluster of highly lustrous Vesuvianite with an interesting mottled olive and dark brown coloration. Smaller tan Grossular crystals are attached. The Vusvianite reach 2.5cm in size. Interesting, solid mass of crystals that comes with an old 'The Lesnicks' label showing a date on back of 1984.

R127 - Halite sold

Hallstadt, Salzburg, Austria
Thumbnail - 2 x 2 x 1.7 cm

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Complete but distorted single cube of Halite from the old salt mines of Hallstadt. Translucent with an orange coloration. Comes with an old hand written label and an old Scott Williams label that notes 'unusual cubic crystal with inclusions'.

R129 - Gold sold

Nullagine, Western Australia, Australia
Miniature - 3.7 x 2.7 x 2.0 cm

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Bright masses of Gold in white Quartz from the prolific Gold fields of Western Australia. Specimen weighs 25.5 grams.

R130 - Vauxite $900 available

Siglo XX Mine, Llallagua, Bolivia
Miniature - 4.5 x 3.2 x 1.5 cm

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Good sized specimen of the rare phosphate Vauxite composed of nothing but sparkling, deep blue crystals without matrix.

R131 - Tremolite sold

Merelani Hills, Arusha, Tanzania
Thumbnail - 2.2 x 1.5 x 0.7 cm

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Superb single crystal of Tremolite from the Merelani Tanzanite mines. A complete and undamaged crystal of the highest quality. Well terminated and complete all around with excellent color and transparency.

R132 - Legrandite sold

Mina Oujela, Mapimi, Durango, Mexico
Small Cabinet - 6.2 x 3 x 2 cm

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Bright yellow crystals of Legrandite filling a vug in Limonite. Ex. David Stoudt collection.

R134 - Titanite (Sphene) $800 available

Capelinha, Minas Gerais, Brazil
Small Cabinet - 8.5 x 3 x 3 cm

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Impressive, large twinned gemmy, lustrous Sphene (Titanite) crystal from Capelinha, Brazil. Large crystals of this size are hard to find. The crystal is 8.5cm tall and has areas of both transluceny and transparency. Very interesting growth features are present on one side, with smaller Sphene crystals and Epidote attached to the other side. Complete all around crystal with a couple edge chips that keep the price way down. Old label indicates it was purchased for $400 back in 2001.

R135 - Stilbite in Amethyst $450 available

Cape Blomidon, Kings Co., Nova Scotia, Canada
Small Cabinet - 8 x 6.5 x 4.5 cm

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Here's something I've never seen before (!), a 2cm doubly-terminated Stilbite, translcuent and golden, set on Amethyst crystals. The specimen is solid Amethyst with an interesting dimpled textured outer surface. Ex. William Metropolis collection whose old label notes it was from the 'great slide of 1967'.

R136 - Hambergite $1,800 available

Rangkul, Pamir Mtns., Tajikistan
Miniature - 3.3 x 3.1 x 1 cm

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Single well terminated Hambergite crystal from Tajikistan. One my favorite Hambergites I've owned due to the robust size, smooth termination, and uncommon purple coloration in areas. Additionally, part of the back face shows reticulated twinning growth, similar to Cerussite. Ex. Herb Obodda personal collection No. 2900 with label.

R137 - Sugilite (fibrous) sold

N'Chwanning Mine, Kuruman, South Africa
Miniature - 3.2 x 2.7 x 1.5 cm

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Bright, chatoyant fibrous Sugilite occurring as tightly packed crystals on matrix. Good masses of Sugilite on both sides of specimen. From a rare and limited find in 2014, this one with particularly good deep purple coloration (color is better than photos). Ex. Carl Acosta collection.

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