Origin
Southern and central Africa
USA, Southern and central Africa
Color
Brown, Red, Blue, Yellow, orange
Brown, Green, White, gray, Blue, Yellow
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
2.60-2.644.00-4.65
1
7.18
👆🏻
Fracture
Uneven, Splintery, Conchoidal
Uneven, Sub-Conchoidal
Cleavage
Absent
Perfect on [1011]
Mohs Hardness
6.5-75-5.5
2
10
👆🏻
Chemical Composition
SiO 2Arthur Thomas , Gemstones (2009)
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Waxy, Vitreous, Greasy, Silky
Vitreous, Pearly
Pleochroism
-
-
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Translucent
Translucent
Refractive Index
1.530-1.5431.620-1.850
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Trigonal
Birefringence
0.003-0.0090.223-0.227
0
0.296
👆🏻
Clarity
Translucent
Translucent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Aids in digestion and nutrient absorption
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Harmony