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Benstonite

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SER935307

Benstonite

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
Långban, Filipstad, Värmland County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 0.4 × 0.3 cm
Description

two small specimen of white benstonite

Mineral Data
What's on the rock

Benstonite

Formula: 
(Ba,Sr)6(Ca,Mn)6Mg(CO3)13
Strunz: 
5.AB.55
Crystal System: 
Trigonal
Hardness: 
3.0 - 4.0
Streak: 
White
Type Locality: 
Baroid Sales Division pit, Baroid Mine (Chamberlain Creek Barite Mines), Chamberlain Creek Valley, Magnet Cove, Hot Spring Co., Arkansas, USA