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Ikranite
Type Locality
Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Mineral Data
(Na,H
3
O)
15
(Ca,Mn
2+
)
6
Fe
3+
2
Zr
3-4
[Cl|(H
0-3
Si
3
O
9
)
2
|{(Si
9
O
27
)
2
,(Si
9
O
27
)
2
SiO}]·2-3H
2
O
Strunz:
9.CO.10
Physical Properties
Streak:
white
Hardness:
5.0 - 0.0
Tenacity:
brittle
