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Sanbornite & Gillespite

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Sanbornite & Gillespite

Description Tabs

Description
Locality: 
Mariposa, Mariposa County, California, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1 × 0.6 cm
Description

Red gillespite and sanbornite on matrix. 

Mineral Data
What's on the rock

Sanbornite

Formula: 
Ba2(Si4O10)
Strunz: 
9.EF.10
Hardness: 
5.0
Type Locality: 
Trumbull Peak Ba-silicate deposit, Trumbull Peak, Clearing House, Clearing House District, East Belt, Mariposa Co., California, USA

Gillespite

Formula: 
BaFe2+[Si4O10]
Strunz: 
9.EA.05
Hardness: 
4.0
Type Locality: 
Dry Delta, Alaska Range, Yukon-Koyukuk Borough, Alaska, USA