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Quartz & Prehnite

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FRN102207

Quartz & Prehnite

Description Tabs

Description
Locality: 
Qiaojia County, Zhaotong Prefecture, Yunnan Province, China (Peoples Republic)
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.6 × 2.6 cm
Description

Cluster of transparent gemmy quartz crystal associate with apple green prehnite crystal.

Mineral Data
What's on the rock

Quartz

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

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
Oriental Minerals