Origin
Southern and central Africa
Southern and central Africa
Color
Brown, Red, Blue, Yellow, orange
Violet, Black
Streak
-
gray, 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
2.60-2.643.17
1
7.18
👆🏻
Fracture
Uneven, Splintery, Conchoidal
-
Cleavage
Absent
None
Mohs Hardness
6.5-77
2
10
👆🏻
Chemical Composition
SiO 2Arthur Thomas , Gemstones (2009)
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Luster
Waxy, Vitreous, Greasy, Silky
Vitreous
Pleochroism
-
Strong: pale lavender dark blueAnthony et al
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Translucent
TranslucentAnthony et al, Translucent
Refractive Index
1.530-1.543-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Birefringence
0.003-0.009-9999
0
0.296
👆🏻
Clarity
Translucent
TranslucentAnthony et al
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Aids in digestion and nutrient absorption
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Empowerment
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Emotional Healing