Origin
India
Afghanistan, Australia, Brazil, Kenya, Southern and central Africa, Sri Lanka, Switzerland
Color
Colorless, White, gray, Brownish, Greenish
Green
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
Elastic
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.78-2.88
3.52-3.54
Fracture
Micaceous, Brittle
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Perfect on the {001}
Not Available
Chemical Composition
KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
CaTiSiO 5Ulrich Henn and Claudio C.
Luster
Vitreous, Silky, Pearly
Not Available
Pleochroism
Weak
Green stones strong trichroism: typically colorless greenish yellow brownish to yellow;
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.552-1.618
1.843-2.110
Optic Character
Not Available
Not Available
Crystal System
monoclinic
Not Available
Birefringence
Not Available
0.100-0.192
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