Origin
USA, Southern and central Africa, green, blue, China, India, USA, Italy, green, blue, China, India, USA, Italy
Southern and central Africa
Color
White, Yellow
Blue, Colorless, White
Streak
Not Available
White
For which Rashi?
Gemini
Gemini, Virgo, Gemini, Virgo, Gemini, Virgo
Element of Planets
Not Available
Earth
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Projective
Not Available
Deities
Not Available
Quan Yin
Not to wear with
Not Available
Not Available
Powers
Healing
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
2.44-2.62
2.45-2.58
Fracture
Uneven, Uneven, Gemstones of the world (2001) More from other references
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
Not Available
None
Mohs Hardness
2.5-5.5
3-3.5
Chemical Composition
H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Greasy, Silky
Vitreous
Pleochroism
AbsentWalter Schumann
NilArthur Thomas
Dispersion
None
Not Available
Transparency
Translucent
Gemmological Tables (2004) More from other references
Refractive Index
1.560-1.571
1.583-1.608
Optic Character
Not Available
Not Available
Crystal System
monoclinic
monoclinic
Birefringence
0.008-0.014
0.019
Clarity
Translucent
Gemmological Tables (2004) More from other references
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