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Filatovite
Type Locality
Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia
Mineral Data
K(Al,Zn)
2
(As,Si)
2
O
8
Strunz:
8.AC.85
Physical Properties
Streak:
White
Hardness:
5.0 - 6.0
Tenacity:
brittle
