Origin
Canada, Russia
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan
Color
Black, Green, gray
Yellow, Brown, Colorless, White, gray, 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
-
-
Durability
-
-
Specific Gravity
3.3-3.52.97-3.03
1
7.18
👆🏻
Fracture
Uneven
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
Perfect on [110]
{001} Poor
Mohs Hardness
5-67
2
10
👆🏻
Chemical Composition
NaNa2(Fe++4Fe+++)Si8O22(OH)2
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Greasy
Pleochroism
Strong: Blue-greens
Weak: pale yellow yellow
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.652-1.6991.627-1.639
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
monoclinic
Orthorhombic
Birefringence
-99990.006
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Promotes psychic abilities and spiritual growth
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
-
-
Psychology
Insight
Spiritual Awareness
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Spiritual Awakening