Origin
Southern and central Africa, California
Southern and central Africa
Color
All colors, White, Colorless, Blue, Red, Green, Yellow, pink
Blue, Colorless, White
Streak
-
White
For which Rashi?
Scorpio, Aries, Virgo
Gemini, Virgo
Planet
Mars
-
Element of Planets
Air
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Quan Yin
Not to wear with
-
-
Powers
Healing, Protection
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.58-2.912.45-2.58
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Indiscernible
None
Mohs Hardness
6.5-73-3.5
2
10
👆🏻
Chemical Composition
SiO2
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
-
-
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Opaque
-
Refractive Index
1.5401.583-1.608
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
monoclinic
Birefringence
-99990.019
0
0.296
👆🏻
Clarity
OpaqueHerve Nicolas Lazzarelli
-
Physical
Neurological
Enhances mental clarity and focus
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
Calming
Healing
Emotional healing
Emotional healing
Qualities Associated
Nurturing
Calming