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Hundholmenite-(Y)

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HEF683679

Hundholmenite-(Y)

Type Locality

Description Tabs

Description
Locality: 
Hundholmen, Tysfjord, Nordland, Norway
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.8 × 0.4 cm
Description

Brown hundholmenite-y in matrix

Mineral Data
What's on the rock

Hundholmenite-(Y)

Formula: 
(Y,REE,Ca,Na)15(Al,Fe3+)(CaxAs3+1-x)(Si,As5+)Si6B3(O,F)48
Strunz: 
9.AJ.35
Hardness: 
5.0 - 6.0
Type Locality: 
Hundholmen, Tysfjord, Nordland, Norway

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