1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.50-5.90Not Available
1
7.18
1.7 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
(e.g. graphite).
1.8 Cleavage
On {10 1 0}, perfect; parting on {000 1 }
{???} Imperfect, {???} Imperfect
1.9 Mohs Hardness
1.13 Chemical Composition
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Not Available