1 Physical Properties
1.1 Tenacity
1.3 Solubility
Not Available
Not Available
1.5 Durability
Not Available
Not Available
1.7 Specific Gravity
2.72-2.83Not Available
1
7.18
1.8 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Conchoidal, Uneven
1.10 Cleavage
Good on {100} and {110}
{1010} Imperfect, {0001} Imperfect
1.12 Mohs Hardness
1.14 Chemical Composition
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Not Available