Origin
Austria
Brazil, Southern and central Africa, Sri Lanka
Color
Brown, Green, Brownish, Black, Yellow, gray
Red, gray
Streak
White
Red, Black
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
Insoluble in acids
Durability
-
-
Specific Gravity
3.25-3.504.20-4.30
1
7.18
👆🏻
Fracture
Conchoidal, Fibrous
Uneven, Conchoidal
Cleavage
{001} perfect and {100} imperfect
{110} good, 100 moderate, parting on {092} and {011}
Mohs Hardness
6-76-6.5
2
10
👆🏻
Chemical Composition
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Resinous
Adamantine
Pleochroism
Strong
Weak to distinct brownish red-green-yellow
Dispersion
0.030.33
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.729-1.7682.609-2.903
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
tetragonal
Birefringence
0.019-0.0460.296
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
Calms digestive issues
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Respiratory
Good
Good
Reproductive
Supports healthy digestion
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Digestive
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Psychology
Abundance
Clarity
Healing
Physical healing
Physical healing
Qualities Associated
Manifestation
Awareness