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Oligoclase

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PDM1007812

Oligoclase

Description Tabs

Description
Locality: 
Akland, Risør, Agder, Norway
Class: 
Single Crystal
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.7 × 8.6 × 2.3 cm
Weight: 
144.00gr
Description

Red cleaved crystal of oligoclase from feldspar from Akland (Norway), a less common locality in collections.

Acquired in 1977 to Krantz by W.Moorer (1945-2015). Ex Wilfred Moorer specimen #2549/K.

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Mineral Data
What's on the rock

Oligoclase

Variety Of: 

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Hardness: 
6.0 - 6.5
Formula: 
(Na,Ca)[Al(Si,Al)Si2O8]
Strunz: 
9.FA.35
Hardness: 
6.0 - 6.5
Streak: 
White

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