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Golyshevite
Type Locality
Kovdor Phlogopite mine (Mica Mine; Slyuda Mine; Kovdorslyuda Shaft), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Mineral Data
Na
10
Ca
3
Ca
6
Zr
3
Fe
2
SiNb(Si
3
O
9
)
2
(Si
9
O
27
)
2
CO
3
(OH)
3
·H
2
O
Strunz:
9.CO.10
Physical Properties
Hardness:
0.0
