1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Decomposed by acids
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Not Available
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
Perfect on {010}
{???} Distinct, {???} Indistinct
1.7 Mohs Hardness
1.8 Chemical Composition
(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)