Origin
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Brazil, Kenya, Madagascar, Mozambique, Sri Lanka
Color
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Red
Streak
White
-
For which Rashi?
-
Taurus
Planet
-
Mars
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Venus
Not to wear with
-
-
Powers
-
Love
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.26-3.363.84
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Good on {100}
none, may show indistinct parting
Mohs Hardness
6.5-77-7.5
2
10
👆🏻
Chemical Composition
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
(Mg,Fe)3Al2Si3O12
Luster
Vitreous
Greasy, Vitreous
Pleochroism
Strong
None
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.656-1.7041.760
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Triclinic
cubic
Birefringence
0.009-0.0120.010-0.014
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
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Inspiration
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Inspiration