Origin
Brazil
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Color
Black, Colorless, Green, Violet, White, Yellow, Blue, Red, pink, Brown, gray
Brown
Streak
White
Brownish, Red, Black
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
2.655.2
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
{0110} Indistinct
Good in one direction
Mohs Hardness
76-6.5
2
10
👆🏻
Chemical Composition
SiO2
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Resinous
Pleochroism
None
-
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
TransparentWalter Schumann
Refractive Index
1.544-1.5532.190-2.457
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic
Birefringence
0.0090.083
0
0.296
👆🏻
Clarity
Opaque
TransparentWalter Schumann
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
Supports reproductive health
-
Digestive
-
-
Psychology
Clarity
Strength
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Balance