Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Southern and central Africa, Switzerland
Color
Brown
Red, Brown, Green, Yellow, Blue, Colorless, Pale pink, White, Black, pink
Streak
Brownish, Red, Black
White
For which Rashi?
-
Scorpio, Aquarius, Pisces
Planet
-
Neptune
Element of Planets
-
Water, Air
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
slightly water soluble and in hot hydrochloric acid
Durability
-
-
Specific Gravity
5.23.00-3.25
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Subconchoidal, Uneven, ConchoidalWalter Schumann
Cleavage
Good in one direction
Octahedral, perfect on {111}, parting on {011}
Mohs Hardness
6-6.54
2
10
👆🏻
Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
CaF2
Luster
Resinous
Vitreous
Pleochroism
-
-
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
TransparentWalter Schumann
Transparent, Translucent, Transparent to translucent
Refractive Index
2.190-2.4571.432-1.436
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
cubic
Birefringence
0.083-9999
0
0.296
👆🏻
Clarity
TransparentWalter Schumann
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Strength
Focus
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Protection