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Feldspar & Quartz

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MCH616551

Feldspar & Quartz

Description Tabs

Description
Locality: 
Evje Og Hornnes, Agder, Norway
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
10.2 × 5.4 × 0.9 cm
Description

A nice, weak flesh-coloured specimen of graphic granite, a magmatic rock with a feldspar-quartz intergrowth where quartz crystals are uniformely scattered in the feldspar crystals and not randomly orientated, reminiscent of runic script. The specimen originates from the pegmatite region of Evje in Southern Norway. It is cut and polished on one side.

Mineral Data
What's on the rock

Feldspar

Group Parent: 
Feldspar Group

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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