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Prehnite & Clinochlore & Quartz

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ESM731346

Prehnite & Clinochlore & Quartz

Description Tabs

Description
Locality: 
Djebel Melh, Bou Arfa, Figuig Province, Oriental Region, Morocco
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 8 × 3 cm
Description

Spherical pale green prehnite clusters hosting green clinochlore crystals on quartz crystals

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

Clinochlore

Formula: 
(Mg,Fe2+)5Al(AlSi3O10)(OH)8
Strunz: 
9.EC.55
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Type Locality: 
Brinton's Quarry, West Chester, Westtown Township, Chester Co., Pennsylvania, USA...

Quartz

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