Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.6-5.764.39
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
[001] perfect; [100] distinct
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
2.5-37.5-8
2
10
👆🏻
Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)