Origin
Southern and central Africa
Southern and central Africa
Color
Brown, White, Greenish, gray, Green, Brownish
Colorless, Greenish, Green, gray, Yellow
Streak
gray
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
2.9-3.53.21-3.38
1
7.18
👆🏻
Fracture
Conchoidal
Irregular/uneven, Uneven
Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
Perfect on {001}
Mohs Hardness
5.5-66-7
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Pearly
Vitreous
Pleochroism
-
StrongArthur Thomas
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.603-1.6901.670-1.734
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
monoclinic
Birefringence
-99990.006-0.011
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances brain function
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Peace
Empathy
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-discovery
Empathy