1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Micaceous, Brittle
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven
1.6 Cleavage
Perfect on the {001}
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
1.7 Mohs Hardness
1.8 Chemical Composition
KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references