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Zussmanite
Type Locality
Laytonville Quarry ("Longvale"; "Longvale Quarry"), Laytonville, Coastal Range, Mendocino Co., California, USA
Mineral Data
K(Fe,Mg,Mn)
13
(Si,Al)
18
O
42
(OH)
14
Strunz:
9.EG.35
Physical Properties
Hardness:
0.0
Tenacity:
flexible
