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Tombarthite-(Y)

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CR21519

Tombarthite-(Y)

Description Tabs

Description
Locality: 
Høgetveit Feldspar Quarry, Evje og Hornnes, Agder, Norway
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 6 × 3 cm
Description

Red brown tombarthite-(Y) in matrix from the type locality.

Ex Dr. Hartel collection, Germany

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