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Straczekite

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CAM80045

Straczekite

Rare Mineral

Description Tabs

Description
Locality: 
Pandora Mine, La Sal, San Juan County, Utah, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.2 × 1.5 cm
Description

Excellent sample of straczekite, a rare complex vanadate, with a very rich coverage of rosettes of lustrous black lamellar straczekite crystals associated with some minor green francevillite crystals.
Beautiful under magnification.

Mineral Data
What's on the rock

Straczekite

Formula: 
(Ca,K,Ba)(V5+,V4+)8O20·3H2O
Strunz: 
4.HE.20
Hardness: 
1.0 - 2.0
Type Locality: 
North Wilson pit, Union Carbide Mine, Wilson Springs (Potash Sulfur Springs), Garland Co., Arkansas, USA
Cartils Minerals

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