Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle
Perfect on {010}, indistinct on {100} and {102}
{110} Perfect, {???} Distinct, {???} Distinct
Ni3(AsO4)2•8(H2O)
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)