Origin
-
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Color
Black, Brown
Green, Brown, Colorless, Greenish, Yellow
Streak
Black
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.23.25-3.45
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal, Uneven
Cleavage
None
Good on {110}
Mohs Hardness
5.5-6.56.5
2
10
👆🏻
Chemical Composition
Fe 3O 4Ulrich Henn and Claudio C.
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
-
Vitreous
Pleochroism
-
X = colorless to green; Y = colorless
Dispersion
0.200.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
2.421.660-1.685
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
-99990.012-0.017
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Grounding
Harmony
Healing
Physical healing
Emotional healing
Qualities Associated
Energy
Self-worth