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Prehnite & Orthoclase

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TPX735106

Prehnite & Orthoclase

Classic Locality

Description Tabs

Description
Locality: 
Bustarviejo, Madrid, Spain
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.9 × 3.5 × 2.4 cm
Weight: 
32.00gr
Description

Very nice and aesthetic group of prehnite crystals on orthoclase matrix from this classic Spanish site, other minerals are present and possibly some bavenite is also present.

Mineral Data
What's on the rock

Prehnite

Formula: 
Ca2Al2Si3O10(OH)2
Strunz: 
9.DP.20
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Karoo dolerites, Cradock, Chris Hani District, Eastern Cape Province, South Africa

Orthoclase

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

Seller Information

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