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Tombarthite-(Y) & Thalenite

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SHS509026

Tombarthite-(Y) & Thalenite

Description Tabs

Description
Locality: 
Høgetveit Feldspar Quarry, Evje og Hornnes, Agder, Norway
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.7 × 1.5 cm
Description

Nice tombarthite and thalenite in matrix

Mineral Data
What's on the rock

Tombarthite-(Y)

Formula: 
Y4(Si,H4)4O12-x(OH)4+2x
Strunz: 
9.AD.35
Hardness: 
5.0 - 6.0
Type Locality: 
Høgetveit (Høgtveit), Evje og Hornnes, Aust-Agder, Norway