Origin
Southern and central Africa
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Color
Brown, Black, Blue
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Streak
-
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
Solubility
-
-
Durability
-
-
Specific Gravity
2.652.57-2.66
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Subconchoidal, Conchoidal
Cleavage
None
Fair on {100}, poor on {001} and {010}
Mohs Hardness
-99997-7.5
2
10
👆🏻
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
Mg2Al4Si5O18
Luster
-
Greasy, Vitreous
Pleochroism
Definite: brown reddish-brownWalter Schumann
X = pale yellow
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.544-1.553-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
0.009-9999
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
Improves digestion and metabolism
Supports healthy digestion
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Psychic Abilities