Origin
Brazil
Southern and central Africa
Color
Yellow, Red, White, Colorless, Blue, Green, pink, Black, Brown
Blue, Colorless, White
Streak
White
White
For which Rashi?
Gemini
Gemini, Virgo
Planet
-
-
Element of Planets
Water
Earth
Energy
-
-
How to Wear?
Finger
-
Ring Metal
-
-
Deities
Bragi
Quan Yin
Not to wear with
-
-
Powers
Courage, Love, Healing, Protection
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.60-2.642.45-2.58
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
Absent
-
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.530-1.5431.583-1.608
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
monoclinic
Birefringence
0.0040.019
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
Enhances mental clarity and focus
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
Supports heart health
-
Digestive
Supports heart health
-
Psychology
Stability
Calming
Healing
Emotional healing
Emotional healing
Qualities Associated
Harmony
Calming