Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.40-2.423.32
1
7.18
👆🏻
Fracture
-
-
Cleavage
{010} Perfect, {001} Distinct
{???} Distinct, {???} Distinct, {???} Distinct
Mohs Hardness
4.5-9999
2
10
👆🏻
Chemical Composition
Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)