1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
6.50-7.002.55-2.63
1
7.18
1.5 Fracture
Irregular, Brittle, Conchoidal
Uneven, Uneven, Gems
1.6 Cleavage
On {011}, distinct; on {001}, {013}, indistinct
{001} Perfect, {010} Good
1.7 Mohs Hardness
1.8 Chemical Composition
PbMoO 4Walter Schumann , Gemstones of the world (2001)
KAlSi 3O 8Arthur Thomas , Gemstones (2009)