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Thortveitite

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CAM511075

Thortveitite

Description Tabs

Description
Locality: 
Frikstad #3 Quarry, Frikstad, Iveland, Agder, Norway
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
13 × 7.5 × 5 cm
Largest Crystal: 
2.00cm
Description

Greenish grey crystals, up to 2 cm, and crystalline masses of thortveitite in pegmatite matrix.
A good example of this uncommon scandium-yttrium-silicate.

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
Cartils Minerals

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