Origin
Southern and central Africa
Switzerland
Color
Brown, White, Greenish, gray, Green, Brownish
Brown, Brownish, Yellow, Black, Reddish
Streak
gray
White, gray
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
2.9-3.53.7-3.8
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
Distinct on {010}
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)
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Luster
Vitreous, Pearly
Resinous
Pleochroism
-
X = colorless; Y = pale yellow; Z = golden yellow
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.603-1.6901.736-1.762
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
-99990.009-0.015
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
Enhances brain function
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Peace
Protection
Healing
Emotional healing
Physical healing
Qualities Associated
Self-discovery
Protection