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Glauconite

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SHS205577

Glauconite

Description Tabs

Description
Locality: 
Firefly-Pigmay Mine, La Sal, San Juan County, Utah, United States of America
Class: 
Single Crystal
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.7 × 3.1 × 2.6 cm
Description

 Glauconite on matrix

Mineral Data
What's on the rock

Glauconite

Formula: 
(K,Na)(Fe3+,Al,Mg)2(Si,Al,Fe3+)4O10)(OH)2
Hardness: 
2.0
Streak: 
None
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