Origin
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Southern and central Africa, Zimbabwe, South Africa
Color
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Green, Blue
Streak
White
Greenish, White
For which Rashi?
-
Virgo
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Gaia
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
Decomposed by acids
Durability
-
-
Specific Gravity
3.26-3.362.96
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
Good on {100}
Perfect on {010}
Mohs Hardness
6.5-75
2
10
👆🏻
Chemical Composition
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Luster
Vitreous
Vitreous
Pleochroism
Strong
X: very light bluish green; Y and Z: brilliant bluish green
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.656-1.7041.550
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Triclinic
Triclinic
Birefringence
0.009-0.0120.091
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Harmony