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Fresnoite & Sanbornite

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SKY761071

Fresnoite & Sanbornite

Type Locality

Description Tabs

Description
Locality: 
Esquire #7 Claim, Big Creek, Fresno County, California, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.8 × 0.7 cm
Description

Yellow crystals aggregates of the very rare mineral fresnoite in the typical white sanbornite matrix.

Fresnoite is Ba-Ti silicate known from a few localities worldwide.

Mineral Data
What's on the rock

Fresnoite

Formula: 
Ba2Ti(Si2O7)O
Strunz: 
9.BE.15
Hardness: 
3.0 - 4.0
Type Locality: 
Esquire No. 7 claim, Big Creek, Rush Creek deposit, Big Creek-Rush Creek District, Fresno Co., California, USA

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

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