Origin
Canada, Russia
Brazil
Color
Black, Green, gray
Yellow, Brown, Black, Colorless, White, Brownish
Streak
gray, Green
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
Brittle
Solubility
-
Effervesces in hot HCl
Durability
-
-
Specific Gravity
3.3-3.52.92-3.12
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Perfect on [110]
[10 1 1] perfect
Mohs Hardness
5-63.5-4.5
2
10
👆🏻
Chemical Composition
NaNa2(Fe++4Fe+++)Si8O22(OH)2
MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Strong: Blue-greens
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.652-1.6991.509-1.720
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Trigonal
Birefringence
-99990.191
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
Promotes psychic abilities and spiritual growth
-
Cardiovascular
-
-
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Insight
Calming
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Relaxation