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Prehnite & Quartz

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SYA856109

Prehnite & Quartz

Antarctica Expedition GANOVEX I

Description Tabs

Description
Locality: 
Litell Rocks, Victoria Land, Eastern Antarctica, Antarctica
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 1.7 cm
Largest Crystal: 
1.20cm
Description

A pale green-yellow prehnite sphere (1.2 cm) on milky white quartz.

Nice specimen.

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

Rare locality

Ex collection Dipl. Min Ulrich Vetter, Hannover.

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

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

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