Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.9-3.53.79-3.94
1
7.18
👆🏻
Fracture
Conchoidal
Lamellar, Splintery
Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
{100} Good, {001} Good, {010} Poor
Mohs Hardness
5.5-64
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
FeAs