Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
{110} Perfect, {???} Distinct, {???} Distinct
{0001} good, {10 1 0} parting
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
(Ca,Ce)(Al,Ti,Mg)12O19