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Karchevskyite
Type Locality
Kovdor Zheleznyi Mine (Iron Mine), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Mineral Data
Mg
18
Al
9
(OH)
54
Sr
2
(CO
3
)
9
(H
2
O)
6
(H
3
O)
5
Physical Properties
Hardness:
2.0
