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Microcline

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PJM39902

Microcline

Ex Joe Blackwell Collection

Description Tabs

Description
Locality: 
North Mine, Broken Hill, Yancowinna County, New South Wales, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 3.2 × 3.4 cm
Description

A cleaved group of green microcline from the North Mine at Broken Hill. This prominent gangue mineral has been studied at lenght and has been shown to actually be closer to orthoclase than microcline, and forms a solid series with orthoclase.

Mineral Data
What's on the rock

Microcline

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Triclinic - Pinacoidal
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Arendal, Aust-Agder, Norway
Earthstones Australia

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