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Microcline Var Manebach Twin

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PDM859099

Microcline Var Manebach Twin

Description Tabs

Description
Locality: 
Mount Malosa, Zomba, Southern Region, Malawi
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 3.6 × 3 cm
Description

Group of light cream coloured microcline crystals with small black aegirine crystals. The two main microcline crystals are related by a Manebach twin, with a clearly visible re-entrant angle at the front of the specimen.

Former Jan Sibtsen Collection #192.

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

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