is carbonate of chromium and magnesium with formula Mg6(Cr,Al)2(CO3)(OH)16 · 4H2O and hardness of 1.5-2. A super soft material with a waxy appearance and very attractive color,often found associated with serpentine ( see : Atlantisite ),despite his low hardness is tough enough to be facet with a certain care.
From New Amianthus Mine,Kaapshe Hoop,Barberton,Mpumalanga Prov. South Africa./TYP
Size: 8.2x8.2x5.6 mm.