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Keiviite-(Y)
Type Locality
Ploskaya Mt, Western Keivy Massif, Keivy Mountains, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Mineral Data
(Y,Yb)
2
[Si
2
O
7
]
Strunz:
9.BC.05
Physical Properties
Hardness:
4.0 - 5.0
Synonyms
Synonyms:
Keiviite-Y, Keiviite Y and Keiviite - Y
