Origin
Southern and central Africa
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Color
Brown, Red, Blue, Yellow, orange
Blue, Violet, Colorless, Red, Green, Brown
Streak
-
White
For which Rashi?
-
Sagittarius, Scorpio
Planet
-
Pluto
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Hephaestus
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.60-2.643.64-3.66
1
7.18
👆🏻
Fracture
Uneven, Splintery, Conchoidal
Conchoidal, Uneven
Cleavage
Absent
None, but may exhibit slight parting
Mohs Hardness
6.5-78
2
10
👆🏻
Chemical Composition
SiO 2Arthur Thomas , Gemstones (2009)
MgAl2O4
Luster
Waxy, Vitreous, Greasy, Silky
Vitreous
Pleochroism
-
Absent
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.530-1.5431.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Isometric
Birefringence
0.003-0.009-9999
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Aids in digestion and nutrient absorption
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Revitalization
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Vitality