Origin
-
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Color
Grey, Brown
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Streak
-
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.593.26-3.36
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
None
Good on {100}
Mohs Hardness
6-6.56.5-7
2
10
👆🏻
Chemical Composition
(Na,Ca)2(Fe2+,Mg)3Si3O10
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Pearly
Vitreous
Pleochroism
-
Strong
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
-99991.656-1.704
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
-
Triclinic
Birefringence
-99990.009-0.012
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Aids in mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Balance