Origin
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Canada, Pakistan
Color
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Reddish, Greenish, White, Red, Yellow, Green, Grey, Blue, Brown, Colorless, gray, orange
Streak
White
White
For which Rashi?
-
Virgo, Capricorn
Planet
-
-
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Protection
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
Dilute acid
Durability
-
-
Specific Gravity
3.26-3.362.93-2.96
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
Good on {100}
Distinct on {010}, imperfect {110} and {011}
Mohs Hardness
6.5-73.5-4
2
10
👆🏻
Chemical Composition
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Resinous
Pleochroism
Strong
StrongArthur Thomas
Dispersion
0.020.17
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.656-1.7041.525-1.686
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Triclinic
Orthorhombic
Birefringence
0.009-0.0120.155
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
Enhances mental clarity and focus
Promotes focus and concentration
Cardiovascular
-
Supports heart health
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Stability
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Centering