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Bobjonesite & Stanleyite

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JYJ932762

Bobjonesite & Stanleyite

Description Tabs

Description
Locality: 
North Mesa Mine group, Temple Mountain, Emery County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 1.7 × 1.3 cm
Description

Dark blue bobjonesite associated with stanleyite and orthominasragrite. 

Analysed material. 

 

Mineral Data
What's on the rock

Bobjonesite

Formula: 
(V4+O)(SO4)·3H2O
Strunz: 
7.DB.25
Hardness: 
1.0 - 0.0
Streak: 
pale blue
Type Locality: 
North Mesa Mine group, San Rafael District (San Rafael Swell), Emery Co., Utah, USA

Stanleyite

Formula: 
(V4+O)(SO4)·6H2O
Strunz: 
7.DE.50
Hardness: 
1.0 - 1.5
Streak: 
white
Type Locality: 
Ragra Mine (Minasragra), Huayllay District, Pasco Province, Pasco Department, Peru