Origin
Southern and central Africa
Southern and central Africa
Color
Brown, White, Greenish, gray, Green, Brownish
Colorless, White, Yellow, Blue, Green, gray
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
-
Soluble
Durability
-
-
Specific Gravity
2.9-3.52.95-2.96
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
None
Mohs Hardness
5.5-67-7.5
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Vitreous, Adamantine
Pleochroism
-
None
Dispersion
0.01-
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.603-1.6901.658-1.673
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Orthorhombic
Birefringence
-99990.010-0.011
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances brain function
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Peace
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-discovery
Peace