Origin
-
Italy
Color
Brownish, Black
Green, gray, Brown, Black
Streak
Brown
Greenish, White
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
3.262.58-2.80
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
None
{001} Good
Mohs Hardness
-99995-5.5
2
10
👆🏻
Chemical Composition
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Luster
Resinous
Waxy, Silky, Resinous, Greasy
Pleochroism
Strong: yellow-brown
pale greenish yellow
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Translucent
Translucent
Refractive Index
-99991.530-1.575
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Translucent
Translucent
Physical
Neurological
-
Supports neurological health
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
Harmony
Healing
-
Emotional healing
Qualities Associated
Protection
Emotional Healing