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Thortveitite

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SER877729

Thortveitite

Description Tabs

Description
Locality: 
Landsverk Quarries, Evje og Hornnes, Agder, Norway
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 4.1 × 2.7 cm
Largest Crystal: 
3.10cm
Description

a large, grey brown thortveitite crystal on matrix

Mineral Data
What's on the rock

Thortveitite

Formula: 
(Sc,Y)2Si2O7
Strunz: 
9.BC.05
Crystal System: 
Monoclinic
Hardness: 
6.0 - 7.0
Streak: 
white
Type Locality: 
Ljoslandsknipan (Thortveitittgruva), Knipan (Knipane), Ljosland, Iveland, Aust-Agder, Norway