Origin
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
USA, Southern and central Africa, China, India, Italy
Color
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
White, Yellow
Streak
White
-
For which Rashi?
-
Gemini
Planet
-
Saturn
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.26-3.362.44-2.62
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Good on {100}
Indiscernible
Mohs Hardness
6.5-72.5-5.5
2
10
👆🏻
Chemical Composition
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous, Greasy, Silky
Pleochroism
Strong
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.656-1.7041.560-1.571
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Triclinic
monoclinic
Birefringence
0.009-0.0120.008-0.014
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
Enhances mental clarity and focus
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Protection