Origin
Southern and central Africa
USA, Mexico
Color
Yellow, Blue, Black, Green, gray
Green, Brown, Greenish, Black
Streak
White
Greenish, gray
For which Rashi?
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-
Planet
-
-
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.43-3.443.19-3.56
1
7.18
👆🏻
Fracture
-
Uneven, Conchoidal
Cleavage
None Observed
{110} Perfect, {010} Indistinct
Mohs Hardness
6.5-75.5-6
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
Vitreous, Resinous
Pleochroism
visible
Pale green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.696-1.7021.671-1.774
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Birefringence
0.005-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Supports heart health
Respiratory
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Good
Reproductive
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Digestive
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Psychology
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Courage
Healing
Emotional healing
Emotional healing
Qualities Associated
Transformation
Grounding