General Information:
Chemical Formula:(Ni++,Ni+++,Fe)(OH)2(OH,S,(H2O))
Composition:(Molecular Weight = 104.88 gm)Iron 10.65 %
FeNickel 39.17 %
NiHydrogen 2.88 %
H Sulfur 3.06 %
S Oxygen 44.24 %
O Empirical Formula: Ni0.5Ni0.2Fe3+0.2(OH)2.8S0.1(H2O)0.1
Environment:In cavites in ophiolitic rock. An alteration of millerite.
IMA Status:Approved IMA 1973
Locality:Montescuto Ragazza near Bologna and at Casteluccio di Moscheda near Modena, Italy
Name Origin:Named for John L. Jambor, (1936-), mineralogits, Geological Survey of Canada.
Physical Properties: Cleavage:[???] Perfect
Color:green.
Density:2.67
Habits:Microscopic Crystals - Crystals visible only with microscopes., Fibrous - Crystals made up of fibers., Lamellar - Thin laminae producing a lamellar structure.
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