Origin
Canada, USA, Southern and central Africa
A primary mineral in hydrothermal veins, stockworks, disseminations
Color
Green
Yellow, Green, Black
Streak
Not Available
Yellow, Green, Black, Greenish, Black
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Not Available
Deities
Not Available
Not Available
Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Not Available
Brittle
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
3.25-3.50
4.1-4.3
Fracture
Uneven, Uneven, Gemstones of the world (2001) More from other references
Uneven, Brittle, Metallic
Cleavage
Not Available
Indistinct on {011}
Mohs Hardness
Not Available
3.5-4
Chemical Composition
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
CuFeS 2Anthony et al , Handbook of mineralogy (2001)
Luster
Not Available
Not Available
Pleochroism
Not Available
AbsentWalter Schumann
Transparency
Transparent
Handbook of mineralogy (2001)
Refractive Index
1.700-1.725
Not Available
Optic Character
Uniaxial/-
Not Available
Crystal System
Not Available
tetragonal
Birefringence
0.002-0.012
Not Available
Clarity
Transparent
Handbook of mineralogy (2001)
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
Not Available
Not Available
Reproductive
Not Available
Not Available
Digestive
Not Available
Not Available
Psychology
Not Available
Not Available
Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available