One cleavage direction. Occurrence: Sediments. Important green pigment. Property values are typical of naturally occurring Glauconite (K, Ca, Na),(Al, Fe'', Fe''',Mg)2({OH}2Si3AlO10). Actual property values will vary from sample to sample. |
Glauconite (K, Ca, Na),(Al, Fe'', Fe''',Mg)2({OH}2Si3AlO10) |