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Prehnite On Quartz

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SYA573241

Prehnite On Quartz

Antarctica expedition GANOVEX I

Description Tabs

Description
Locality: 
Prehnite Hill, Litell Rocks, Victoria Land, Eastern Antarctica, Antarctica
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.8 × 3 cm
Description

A fine specimen with a 1.5 cm pale yellow-green prehnite crystalsphere on clear to white quartz crystals.
The specimen was found during the first german Antarctica expedition GANOVEX I 1979/80 . Comes with the original handwritten label ( privat collection) of the mineralogist from 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
Labels
Label Images - only: Prehnite On Quartz

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