1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.503.25-4.10
1
7.18
2.3 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Conchoidal, Conchoidal, Gemstones (2009), Uneven
2.5 Cleavage
Not Available
Perfect on { 2 01} fair on {010}
2.7 Mohs Hardness
2.11 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Cu2CO3(OH)2