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Sherwoodite

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Sherwoodite

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Description
Locality: 
Firefly–Pigmay Mine, La Sal, San Juan County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.4 × 0.7 cm
Description

Dark blue sherwoodite from the Firefly Pigmay mine, UT, USA.

Rare mineral. 

 

Mineral Data
What's on the rock

Sherwoodite

Formula: 
Ca4.5(AlV4+2V5+12O40)·28H2O
Strunz: 
4.HC.15
Hardness: 
2.0
Type Locality: 
Peanut Mine, Bull Canyon, Uravan District, Montrose Co., Colorado, USA