1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Gelatinises in acids
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
Uneven, Conchoidal, Brittle
1.6 Cleavage
{100} Good, {010} Good, {001} Good
Distinct on {110}
1.7 Mohs Hardness
1.8 Chemical Composition
CoAsSAnthony et al , Handbook of mineralogy (2001)
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2