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Chromite: Fe++Cr2O4 Theophrastite: Ni(OH)2
Comments: Green pearly scaly theophrastite coatings on massive dark chromite. Location: Vermion Region, near Thessaloniki, Kedriki Makedhonia, Greece. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Chromite: Fe++Cr2O4 Antigorite: (Mg,Fe++)3Si2O5(OH)4
Comments: Chromite veins in yellow to green antigorite with picrolite, chromian antigorite and dolomite (polished section). Location: Wood's Mine, near 'Texas', Little Britain Township, Lancaster County, Pennsylvania, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species