Origin
Southern and central Africa
Southern and central Africa
Color
Green
White, Colorless, Blue, Red, Green, Yellow, Violet, pink
Streak
White
Not Available
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Energy
Not Available
Not Available
Finger
Not Available
Not Available
Ring Metal
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
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.77-2.88
2.27-2.33
Fracture
Uneven
UnevenArthur Thomas, Gemstones (2009)
Cleavage
Perfect basal
Not Available
Chemical Composition
K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Not Available
Not Available
Dispersion
Not Available
Not Available
Transparency
Transparent
Gemmological Tables (2004)
Refractive Index
1.552-1.618
1.483-1.487
Optic Character
Not Available
Not Available
Crystal System
monoclinic
Not Available
Birefringence
Not Available
Not Available
Clarity
Transparent
Transparent
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