1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.60-2.902.58-2.80
1
7.18
1.19 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Irregular, Management Team (2012)
1.20 Cleavage
Not Available
Not Available
1.21 Mohs Hardness
1.24 Chemical Composition
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)