Origin
Brazil, Southern and central Africa, Sri Lanka
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Color
Red, gray
Blue, gray, Black
Streak
Red, Black
Blue
For which Rashi?
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Planet
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-
Element of Planets
-
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Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
-
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Birthstone
Planetary
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Talisman
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Tenacity
-
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Solubility
Insoluble in acids
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Durability
-
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Specific Gravity
4.20-4.303-3.15
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
{110} good, 100 moderate, parting on {092} and {011}
Good on [110] and on [001]
Mohs Hardness
6-6.56.0-6.5
2
10
👆🏻
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
[ ]Na2(Mg3Al2)Si8O22(OH)2
Luster
Adamantine
Vitreous, Pearly
Pleochroism
Weak to distinct brownish red-green-yellow
Strong
Dispersion
0.330.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
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Refractive Index
2.609-2.9031.606-1.637
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
monoclinic
Birefringence
0.296-9999
0
0.296
👆🏻
Clarity
Transparent
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Physical
Neurological
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Cardiovascular
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Respiratory
Good
Good
Reproductive
-
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Digestive
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Psychology
Clarity
Communication
Healing
Physical healing
Emotional healing
Qualities Associated
Awareness
Peace