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Quartz & Prehnite

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SYA801011

Quartz & Prehnite

Antarctica Expedition GANOVEX I

Description Tabs

Description
Locality: 
Litell Rocks, Victoria Land, Eastern Antarctica, Antarctica
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3 × 3 cm
Description

Waterclear quartz crystals and sharp, very pale greenish-yellow prehnite crystals in a cavity of white massive quartz.

 Uncommom shape for this locality !

This specimen was found during the first German Antarctica Expedition GANOVEX I 1979/80

Ex collection Dipl. Min Ulrich Vetter, Hannover - label

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

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