Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.823.32
1
7.18
👆🏻
Fracture
-
-
Cleavage
Perfect in one direction, indistinct in one direction
{???} Distinct, {???} Distinct, {???} Distinct
Mohs Hardness
6-9999
2
10
👆🏻
Chemical Composition
K2Na(Ca,Mn)2Ti[O|Si7O18(OH)]
LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)