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Prehnite & Quartz

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SER1114890

Prehnite & Quartz

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Description
Locality: 
Beura Quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 3.1 × 2.1 cm
Description

hundreds of colourless tabular prehnite crystals on corroded quartz crystal

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

Quartz

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

Current price

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20
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Start 29 Apr 18:00
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