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Mcguinnessite

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BCK545571

Mcguinnessite

Rare Mineral

Description Tabs

Description
Locality: 
Hunting Hill Quarry, Rockville, Montgomery County, Maryland, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 1.7 × 1.1 cm
Description

You are bidding on a beautiful sample with numerous perfect clusters of mcguinessite on matrix with a few unidentified silicates. This is an exceptional sample of the mineral from this little known locality. 

Mineral Data
What's on the rock

Mcguinnessite

Formula: 
(Mg,Cu)2(CO3)(OH)2
Strunz: 
5.BA.10
Hardness: 
2.5
Type Locality: 
Copper King Mine, Red Mountain, Red Mountain District, Mayacmas Mts (Mayacamas Mts), Mendocino Co., California, USA

Seller Information

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