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Vyuntspakhkite-(Y)
Type Locality
Ploskaya Mt, Western Keivy Massif, Keivy Mountains, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Mineral Data
(Y,Yb)
4
Al
2.5-1.5
(Si,Al)
1.5-2.5
(SiO
4
)
4
O(OH)
7
Strunz:
9.BG.40
Physical Properties
Hardness:
6.0 - 7.0
Synonyms
Synonyms:
Vyuntspakhkite-Y, Vyuntspakhkite Y and Vyuntspakhkite - Y
