Origin
-
Southern and central Africa
Color
Blue, gray, Black
Brown, White, Greenish, gray, Green, Brownish
Streak
Blue
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3-3.152.9-3.5
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Good on [110] and on [001]
{110} Perfect, {???} Distinct, {???} Distinct
Mohs Hardness
6.0-6.55.5-6
2
10
👆🏻
Chemical Composition
[ ]Na2(Mg3Al2)Si8O22(OH)2
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Pearly
Vitreous, Pearly
Pleochroism
Strong
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.606-1.6371.603-1.690
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
monoclinic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
Enhances brain function
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Self-discovery