Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.74-2.762.34-2.51
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
{010} Perfect, {001} Distinct
None
Mohs Hardness
3.5-4-9999
2
10
👆🏻
Chemical Composition
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
SiO2, Al2O3, FeO, MgO, CaO, K2O, Na2O