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Quartz & Prehnite

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Quartz & Prehnite

Antarctica Expedition GANOVEX I

Description Tabs

Description
Locality: 
Litell Rocks, Rennick-Glacier, Victoria Land, Antarctica
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.5 × 2.5 cm
Largest Crystal: 
3.50cm
Description

Clear quartz crystals with light green prehnite crystals on matrix.

Rare locality 

Large  crystal for this locality !

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

Comes with a - copy - of the original label from the mineralogist of this expedition.

Ex collection  Dipl. Min. Ulrich Vetter, Hannover

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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