Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
6.30-6.393.04-3.17
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
[001] good, [210] distinct
{001} Indistinct, {???} Indistinct
Mohs Hardness
3-3.55.5
2
10
👆🏻
Chemical Composition
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references