Origin
-
Austria
Color
Black, Blue, Yellow, Green
Brown, Green, Brownish, Black, Yellow, gray
Streak
Grey, Greenish, Brown
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
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.28-3.443.25-3.50
1
7.18
👆🏻
Fracture
Uneven, Splintery
Conchoidal, Fibrous
Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
{001} perfect and {100} imperfect
Mohs Hardness
5.0-6.06-7
2
10
👆🏻
Chemical Composition
Na2Fe2+3Fe3+2Si8O22(OH)2
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Silky
Vitreous, Resinous
Pleochroism
X = blue
Strong
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.680-1.6981.729-1.768
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.005-0.0080.019-0.046
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Calms digestive issues
Respiratory
Good
Good
Reproductive
-
Supports healthy digestion
Digestive
-
-
Psychology
Empowerment
Abundance
Healing
Emotional healing
Physical healing
Qualities Associated
Clear Thinking
Manifestation