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Sinkankasite

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ESM522292

Sinkankasite

Type Locality

Description Tabs

Description
Locality: 
Barker-Ferguson Mine, Keystone, Pennington County, South Dakota, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.6 × 3.5 × 2.4 cm
Description

Sprays of white acicular sinkankasite crystals on matrix

Mineral Data
What's on the rock

Sinkankasite

Formula: 
Mn2+Al(PO3OH)2(OH)·6H2O
Strunz: 
8.DB.20
Hardness: 
4.0
Type Locality: 
Barker-Ferguson Mine, Keystone, Keystone District, Pennington Co., South Dakota, USA