Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
-
Color
Brown
Blue, Green
Streak
Brownish, Red, Black
Blue
For which Rashi?
-
Sagittarius, Capricorn
Planet
-
Venus
Element of Planets
-
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Psychic Power
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
5.23.70-3.90
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Conchoidal
Cleavage
Good in one direction
Perfect on {011}, fair on {100}, poor on {110}
Mohs Hardness
6-6.53.5-4
2
10
👆🏻
Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Resinous
Vitreous
Pleochroism
-
Visible shades of blue
Dispersion
0.030.03
0.005
1
👆🏻
Transparency
TransparentWalter Schumann
Transparent, Translucent
Refractive Index
2.190-2.4571.720-1.850
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.0830.108
0
0.296
👆🏻
Clarity
TransparentWalter Schumann
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
-
Excellent
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Strength
Insight
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Insight