Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
Not Available
3.178
Fracture
Not Available
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Cleavage
Not Available
Not Available
Mohs Hardness
Not Available
6.5
Chemical Composition
Not Available
Ca 2 MgAl 2 BSi 4 O 15 OH Gemdat.org, Management Team (2012)
