Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.823.05-3.21
1
7.18
👆🏻
Fracture
-
-
Cleavage
Perfect in one direction, indistinct in one direction
None
Mohs Hardness
67-7.5
2
10
👆🏻
Chemical Composition
K2Na(Ca,Mn)2Ti[O|Si7O18(OH)]
(Al,Mn3+ ) 2SiO 4OGemdat.org , Management Team (2012)