Physical Properties
Tenacity
-
Brittle
Solubility
-
Gelatinises in acids
Durability
-
-
Specific Gravity
-99992.4-2.5
1
7.18
👆🏻
Fracture
Sub-Conchoidal, Splintery
Uneven, Conchoidal
Cleavage
{201} Imperfect, {100} Poor, {001} Poor
Distinct on {110}
Mohs Hardness
3.5-45-6
2
10
👆🏻
Chemical Composition
FeAsO4·2H2O
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2