Origin
Southern and central Africa
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Color
Green, Black, White, Grey, gray
Blue, Green
Streak
White
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
-
-
Specific Gravity
3.003.80-4.15
1
7.18
👆🏻
Fracture
Uneven, Splintery
Uneven
Cleavage
perfect along {110}.
perfect along [010] and [100]
Mohs Hardness
5-63.5-4
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Silky
Pleochroism
moderate
X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Refractive Index
1.613-1.6281.752-1.815
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.0250-0.02700.063
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
Aids in mental clarity and focus
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Cardiovascular
Supports heart health
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Respiratory
Good
Good
Reproductive
Supports reproductive health
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Digestive
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Psychology
Strength
Communication
Healing
Physical healing
Emotional healing
Qualities Associated
Strength
Communication