Origin
Southern and central Africa
Vietnam
Color
Green, Grey, White
Yellow, Brown, White, orange
Streak
White
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.60-3.023.20-3.32
1
7.18
👆🏻
Fracture
Uneven
Uneven, Conchoidal
Cleavage
{001} Perfect
Poor
Mohs Hardness
2-2.56-6.5
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Pearly, Greasy
Vitreous
Pleochroism
Distinct: light yellow-green to light bluE
pale golden yellow or deep golden yellow
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.571-1.5971.607-1.675
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Orthorhombic
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Harmony
Healing
Physical healing
Physical healing
Qualities Associated
Emotional Healing
Harmony