1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.745-3.7762.60-2.65
1
7.18
1.5 Fracture
Conchoidal, Conchoidal, Brittle
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
1.6 Cleavage
Perfect on {010}, fair on {101}
Perfect on {001}, very good on {010}, imperfect on {110}
1.7 Mohs Hardness
1.8 Chemical Composition
Cu2Cl(OH)3
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)