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Prehnite Psm Laumontite With Quartz

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KRM71361

Prehnite Psm Laumontite With Quartz

Description Tabs

Description
Locality: 
Kharan, Baluchistan, Pakistan
Size Range: 
Small cabinet (7-10 cm)
Size: 
4 × 9 × 6 cm
Description

An aesthetic specimen of  bright light green prehnite pseudomorphed laumontite in combination with white quartz crystals.

A large prehnite pseudomorph example from Baluchistan, Pakistan.

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

Laumontite

Formula: 
CaAl2Si4O12·4H2O
Strunz: 
9.GB.10
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Huelgoat (Locmaria-Berrien), Finistère, Brittany, France

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Seller Information

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