1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.4 Solubility
Not Available
Not Available
1.11 Durability
Not Available
Not Available
1.16 Specific Gravity
3.25-4.101.98-2.50
1
7.18
1.30 Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
Conchoidal, Conchoidal, Gemstones of the world (2001)
1.31 Cleavage
Perfect on { 2 01} fair on {010}
Not Available
1.32 Mohs Hardness
1.33 Chemical Composition
Cu2CO3(OH)2
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)