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K Feldspar Var Adularia

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JJH871005

K Feldspar Var Adularia

Self collected

Description Tabs

Description
Locality: 
Pol Cornic, Predannack, Mullion, Cornwall, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
3.2 × 7.1 × 5.2 cm
Largest Crystal: 
0.20cm
Weight: 
89.00gr
Description

Sharp lustrous crystals of pink 'adularia' orthoclase feldsapr completely cover the hornblende schist matrix.

Collected: 
28/08/1993
Mineral Data
What's on the rock

K Feldspar

Synonym Of: 

Microcline

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Hardness: 
6.0 - 6.5

Orthoclase

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Hardness: 
6.0

Sanidine

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Hardness: 
6.0

Adularia

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Monoclinic
Hardness: 
6 Ortho - clase

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£40
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UK
£5.50
EU
10
ROW
$15
USA
$15

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