Origin
Southern and central Africa
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Color
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Blue, Green
Streak
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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
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Durability
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Specific Gravity
3.62-4.333.80-4.15
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
Indiscernible
perfect along [010] and [100]
Mohs Hardness
7-7.53.5-4
2
10
👆🏻
Chemical Composition
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
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Silky
Pleochroism
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X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
TransparentGemdat.org
Translucent
Refractive Index
1.730-1.8201.752-1.815
1
3.25
👆🏻
Optic Character
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Crystal System
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Orthorhombic
Birefringence
-99990.063
0
0.296
👆🏻
Clarity
TransparentGemdat.org
Translucent
Physical
Neurological
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Cardiovascular
Supports heart health
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
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Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Love
Communication