Origin
Southern and central Africa
Turkey
Color
Brown, White, Greenish, gray, Green, Brownish
Colorless, White, Yellow, Greenish, gray, Brown
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
-
Very brittle
Solubility
-
insoluble
Durability
-
-
Specific Gravity
2.9-3.53.30-3.40
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
{010} perfect, {110} distinct, {100} in traces
Mohs Hardness
5.5-66.5-7
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Pearly
Pearly
Pleochroism
-
Strong
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.603-1.6901.702-1.750
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
-99990.048
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances brain function
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Peace
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-discovery
Change