Mixed Minerals — Marin Mineral

Mixed Minerals
March 29, 2025 · 12 specimens

P890 - Stibiotantalite sold

Himalaya Mine, Mesa Grande, San Diego Co., California, USA
Thumbnail - 1 x 0.8 x 0.2 cm

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Single Stibiotantalite crystal from the Himalaya Mine with attached pink Tourmaline and Lepidolite. Translucent, yellow/brown in color and undamaged (could be improved with cleaning). Ex. John Dabney collection.

P891 - Sapphire sold

Rock Creek, Montana, USA
Thumbnail - 0.7 x 0.6 x 0.3 cm

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Three Sapphire crystals from Montana - a blue, a yellow/green and a strong pink to red. The blue is more river worn, the yellow/green and pink still show relatively sharp hexagonal crystal form. Total weight of the 3 crystals is 3.55 carats. Ex. John Dabney collection, comes mounted in a gem case.

P892 - Amethyst $150 available

Mono Lake area, Mono Co., California, USA
Thumbnail - 3.1 x 2.8 x 2.1 cm

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Amethyst scepter over a white Quartz crystal. The main crystal is doubly-terminated and almost a 'barbell' with some Amethyst scepter growth on the bottom termination too. A smaller tabular Quartz crystal is grown into the side of the main crystal and could be used to mount this horizontally to show both terminations.

P893 - Clinozoisite $350 available

Alchuri, Shigar Valley, Pakistan
Miniature - 3.5 x 1.2 x 0.5 cm

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Superb gem crystal of Clinzoisite. Olive-green to brown (pleochroic) and water clear - transparent top to bottom. Well terminated and complete all around. A couple very trivial edge nicks, otherwise undamaged.

P894 - Clinozoisite $350 available

Alchuri, Shigar Valley, Pakistan
Miniature - 3.7 x 1.5 x 1 cm

(click on an image to enlarge)

P895 - Anatase sold

Hardangervidda, Ullensvang, Vestland, Norway
Thumbnail - 1.5 x 1.3 x 0.8 cm

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Aesthetic cluster of doubly-terminated Anatase crystals from the classic Norwegian locality. Complete and undamaged crystals with minor amounts of attached green Chlorite. Ex. John Dabney collection.

P896 - Covellite with Pyrite $280 available

Butte, Silver Bow Co., Montana, USA
Miniature - 3.2 x 2.5 x 1.6 cm

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Irridescent blue crystals of Covellite with Pyrite on Quartz crystals. Really pretty from either the front or backside. Old label indicates it was found at the 3200-foot level of the Leonard Mine. Ex. John Dabney collection.

P898 - Smokey Quartz sold

Excelsior Mtns., Mineral Co., Nevada, USA
Thumbnail - 2 x 1.8 x 1.5 cm

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Pair of crossing, transparent Smokey Quartz crystals from a recent find in Nevada. Complete all around and high quality!

P899 - Smokey Quartz sold

Excelsior Mtns., Mineral Co., Nevada, USA
Thumbnail - 2.7 x 1.5 x 1.5 cm

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Pair of crossing, transparent Smokey Quartz crystals from a recent find in Nevada. Complete all around and high quality!

P900 - Clinoclase sold

Majuba Hill Mine, Pershing Co., Nevada, USA
Thumbnail - 2.9 x 1 x 0.9 cm

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Bright royal blue crystals of Clinoclase on matrix. The color of these crystals is special - they are most commonly a darker Navy blue - these are lighter and brighter. Ex. John Dabney collection.

P901 - Jeremejevite sold

Erongo Mtns., Namibia
Thumbnail - 2.1 x 0.2 x 0.2 cm

(click on an image to enlarge)

Gemmy single blue Jeremejevite crystal. Well terminated and undamaged with good transparency. Ex. Rick Kennedy, John Dabney collections.

P904 - Apatite sold

Ipira complex, Bahia, Brazil
Miniature - 4.8 x 2.5 x 2 cm

(click on an image to enlarge)

Intensely colored single blue Apatite crystal. The color when backlit is just incredible, a very rich, vivid blue. Complete all around and undamaged with typical indentations and 'melted' appearance. Ex. John Dabney collection.

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