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Thortveitite

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CR50510

Thortveitite

Type locality
Rare Mineral

Description Tabs

Description
Locality: 
Ljosland Quarries, Iveland, Agder, Norway
Size Range: 
Cabinet (10-18 cm)
Size: 
15 × 8.5 × 5 cm
Largest Crystal: 
10.00cm
Description

This is a extremely large, sharp, crystal group of thortveitite, a rare scandium-containing species, from the type locality.This exceptional specimen was acquired 1974 and is the best I have ever seen for sale.

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