Origin
Tanzania
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Color
Blue
Green, Brown, Colorless, Greenish, Yellow
Streak
White, Colorless
White
For which Rashi?
Sagittarius, Pisces, Virgo
-
Planet
-
-
Element of Planets
Air, Water, Earth
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
Love, Healing
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
Hard
-
Specific Gravity
3.353.25-3.45
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal, Uneven
Cleavage
Perfect {010}, imperfect {100}
Good on {110}
Mohs Hardness
6.5-76.5
2
10
👆🏻
Chemical Composition
Ca2Al3(SiO4)3(OH)
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Present
X = colorless to green; Y = colorless
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
-
Refractive Index
1.685-1.7071.660-1.685
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.006-0.0180.012-0.017
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Excellent
-
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Self-worth