Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
1.65-1.99-9999
1
7.18
👆🏻
Fracture
Uneven
Conchoidal, Uneven
Cleavage
{010} Perfect, {110} Perfect
{1010} Imperfect, {0001} Imperfect
Mohs Hardness
2-2.55-5.5
2
10
👆🏻
Chemical Composition
NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
NiAs