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Oxyphlogopite

Type Locality
Rothenberg, Bell, Mendig, Eifel, Rhineland-Palatinate, Germany
Mineral Data
K(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2
Strunz: 
9.EC.20
Physical Properties
Streak: 
Brown
Hardness: 
3.0 - 0.0
Tenacity: 
flexible