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Augite Var Jeffersonite

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SHS58049

Augite Var Jeffersonite

Description Tabs

Description
Locality: 
Älgfalls Mine, Kopparberg, Ljusnarsberg, Örebro County, Sweden
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 4.2 × 3.5 cm
Description

A minature specimen of jeffersonite in matrix

Mineral Data
What's on the rock

Augite

Formula: 
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Strunz: 
9.DA.15
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0

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