Origin
Tanzania
Australia
Color
Blue
Red, White, gray, Black
Streak
White, Colorless
Brownish, Black
For which Rashi?
Sagittarius, Pisces, Virgo
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Planet
-
-
Element of Planets
Air, Water, Earth
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Energy
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How to Wear?
Finger
-
-
Ring Metal
-
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Deities
-
-
Not to wear with
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Powers
Love, Healing
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Birthstone
Planetary
-
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Talisman
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Tenacity
-
Brittle
Solubility
-
-
Durability
Hard
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Specific Gravity
3.35-9999
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal, Uneven
Cleavage
Perfect {010}, imperfect {100}
{1010} Imperfect, {0001} Imperfect
Mohs Hardness
6.5-75-5.5
2
10
👆🏻
Chemical Composition
Ca2Al3(SiO4)3(OH)
NiAs
Luster
Vitreous
-
Pleochroism
Present
Strong (reflected light)
Dispersion
0.030.04
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
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Refractive Index
1.685-1.707-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Hexagonal
Birefringence
0.006-0.018-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
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Respiratory
Excellent
Poor
Reproductive
-
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Digestive
-
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Psychology
Intuition
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Healing
Emotional healing
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Qualities Associated
Communication
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