Origin
-
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Color
Black, Brown
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
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
5.23.26-3.36
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
None
Good on {100}
Mohs Hardness
5.5-6.56.5-7
2
10
👆🏻
Chemical Composition
Fe 3O 4Ulrich Henn and Claudio C.
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
-
Vitreous
Pleochroism
-
Strong
Dispersion
0.200.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
2.421.656-1.704
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
-
Triclinic
Birefringence
-99990.009-0.012
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Grounding
Harmony
Healing
Physical healing
Emotional healing
Qualities Associated
Energy
Balance