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Jeffersonite

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Jeffersonite

Classic Locality

Description Tabs

Description
Locality: 
Älgfalls Mine, Kopparberg, Ljusnarsberg, Örebro County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 2.7 × 1 cm
Description

specimen with some aggregates of dark olive massive jeffesonite in matrix.

Mineral Data
What's on the rock

Jeffersonite

Variety Of: 

Augite

Formula: 
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Strunz: 
9.DA.15
Hardness: 
5.5 - 6.0
Formula: 
Ca(Mn,Zn,Fe)Si2O6
Hardness: 
4.5 - 5.0

Seller Information

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