Origin
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Tanzania
Color
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Blue
Streak
White
White, Colorless
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
3.26-3.363.35
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
Good on {100}
Perfect {010}, imperfect {100}
Mohs Hardness
6.5-76.5-7
2
10
👆🏻
Chemical Composition
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Ca2Al3(SiO4)3(OH)
Luster
Vitreous
Vitreous
Pleochroism
Strong
Present
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
Transparent, Translucent, Transparent to translucent
Refractive Index
1.656-1.7041.685-1.707
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Triclinic
Orthorhombic
Birefringence
0.009-0.0120.006-0.018
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Communication