Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.74-2.766.50-7.00
1
7.18
👆🏻
Fracture
Uneven
Irregular, Conchoidal
Cleavage
{010} Perfect, {001} Distinct
On {011}, distinct; on {001}, {013}, indistinct
Mohs Hardness
3.5-43
2
10
👆🏻
Chemical Composition
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
PbMoO 4Walter Schumann , Gemstones of the world (2001)