Origin
Brazil
Southern and central Africa
Color
Black, Colorless, Green, Violet, White, Yellow, Blue, Red, pink, Brown, gray
Colorless, Brown, Greenish, gray
Streak
White
White
For which Rashi?
Taurus, Capricorn, Sagittarius
-
Planet
Venus
-
Element of Planets
Earth, Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Nerthus
-
Not to wear with
-
-
Powers
Healing, Protection
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.652.62-2.67
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
{0110} Indistinct
From the Greek, oligos and kasein, little cleavage.
Mohs Hardness
76-6.5
2
10
👆🏻
Chemical Composition
SiO2
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous
Pleochroism
None
-
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
-
Refractive Index
1.544-1.5531.538-1.550
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
-
Birefringence
0.0090.010
0
0.296
👆🏻
Clarity
Opaque
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
Supports reproductive health
-
Digestive
-
-
Psychology
Clarity
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Harmony