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Tombarthite-(Y)
Type Locality
Høgetveit (Høgtveit), Evje og Hornnes, Aust-Agder, Norway
Mineral Data
Y
4
(Si,H
4
)
4
O
12-x
(OH)
4+2x
Strunz:
9.AD.35
Physical Properties
Hardness:
5.0 - 6.0
Synonyms
Synonyms:
Tombarthite-Y, Tombarthite Y and Tombarthite - Y
