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Quartz & Prehnite

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SYA1039589

Quartz & Prehnite

GANOVEX I expedition 1979/1980.

Description Tabs

Description
Locality: 
Litell Rocks, Victoria Land, Eastern Antarctica, Antarctica
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.5 × 1 cm
Description

Clear quartz crystals with prehnite on milky quartz.

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

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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