Origin
Canada, Russia
USA, Mexico
Color
Black, Green, gray
Green, Brown, Greenish, Black
Streak
gray, Green
Greenish, 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
3.3-3.53.19-3.56
1
7.18
👆🏻
Fracture
Uneven
Uneven, Conchoidal
Cleavage
Perfect on [110]
{110} Perfect, {010} Indistinct
Mohs Hardness
5-65.5-6
2
10
👆🏻
Chemical Composition
NaNa2(Fe++4Fe+++)Si8O22(OH)2
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
Vitreous, Resinous
Pleochroism
Strong: Blue-greens
Pale green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.652-1.6991.671-1.774
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Promotes psychic abilities and spiritual growth
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
-
-
Psychology
Insight
Courage
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Grounding