1 Physical Properties
1.1 Tenacity
1.3 Solubility
1.5 Durability
Not Available
Not Available
1.6 Specific Gravity
1.8 Fracture
Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Conchoidal, Brittle
1.9 Cleavage
{???} Indistinct
Perfect on {10 1 }; parting on {010}
1.10 Mohs Hardness
1.11 Chemical Composition
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Not Available