Mixed Minerals — Marin Mineral

Mixed Minerals
October 21, 2020 · 5 specimens

CT705 - Mimetite $350 available

Bilbao Mine, La Blanca, Ojocaliente Municipality, Zacatecas, Mexico
Miniature - 4.5 x 4 x 3 cm

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Old, somewhat globular mass of orange Mimetite from Mexico. Specimen is solid, translucent Mimetite. Rarely seen specimen from a small limited find in the 1950s. Ex. Chuck Trantham collection.

CT703 - Lawsonite sold

Sonoma Co., California, USA
Small Cabinet - 6 x 5 x 4 cm

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Lawsonite is a rare mineral with the type locality in nearby Marin Co., California. They are typically found embedded in a green schist matrix. This specimen is unusual because the crystals grew into an open vug. Ex. Chuck Trantham collection.

CT763 - Cornubite sold

Majuba Hill Mine, Pershing Co., Nevada, USA
Miniature - 4.5 x 4 x 2.5 cm

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Areas of deep green Cornubite in matrix. Cornubite is a rare secondary copper arsenate mineral. Uncommon specimen from the Chuck Trantham collection.

CT769 - Woframite after Scheelite sold

Long Hill Mine, Trumbull, Fairfield County, Connecticut
Thumbnail - 2.4 x 2 x 1 cm

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Pseudomorph of Wolframite (likely Ferberite) after a Scheelite crystal. These are well documented USA classics, this one showing sharp, somewhat octahedral form of the original Scheelite. Ex. Chuck Trantham collection.

CT781 - Hematite sold

Black Widow Mine, Pima Co., Arizona, USA
Thumbnail - 2 x 1.8 x 1.6 cm

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Cute thumbnail sized specimen of 'Kidney-ore' Hematite. Complete all around and undamaged. Ex. Chuck Trantham collection.

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