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Prehnite With Quartz

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SYA500786

Prehnite With Quartz

Antarctica expedition GANOVEX I

Description Tabs

Description
Locality: 
Prehnite Hill, Litell Rocks, Victoria Land, Eastern Antarctica, Antarctica
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
3.5 × 6 × 8 cm
Largest Crystal: 
2.00cm
Description

Light green balls of prehnite crystals with clear to milky white quartz crystals on matrix.

The specimen was found during the first german antarctica expedition GANOVEX I 1979/80. Comes with the original handwritten label of the mineralogist from this expedition. Specimens from this location are probably lacking in most collections.

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 With Quartz

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