Origin
Canada
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Color
Brown, Reddish, Black, Brownish
Blue, Green
Streak
Brown
Blue
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
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Ring Metal
-
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Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
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Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.77-3.933.80-4.15
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
None
perfect along [010] and [100]
Mohs Hardness
7-7.53.5-4
2
10
👆🏻
Chemical Composition
Ca 3Ti4+2(Fe3+2Si)O 12Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Silky
Pleochroism
-
X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Translucent
Translucent
Refractive Index
1.94-1.981.752-1.815
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
-99990.063
0
0.296
👆🏻
Clarity
Translucent
Translucent
Physical
Neurological
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Cardiovascular
-
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Respiratory
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Good
Reproductive
-
-
Digestive
-
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Psychology
Grounding
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Grounding & Transformation
Communication