Origin
Italy
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Color
Green, gray, Brown, Black
Brown
Streak
Greenish, White
Brownish, Red, Black
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.58-2.805.2
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
{001} Good
Good in one direction
Mohs Hardness
5-5.56-6.5
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Waxy, Silky, Resinous, Greasy
Resinous
Pleochroism
pale greenish yellow
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Translucent
TransparentWalter Schumann
Refractive Index
1.530-1.5752.190-2.457
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
Orthorhombic
Birefringence
-99990.083
0
0.296
👆🏻
Clarity
Translucent
TransparentWalter Schumann
Physical
Neurological
Supports neurological health
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Strength
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Balance