Origin
Southern and central Africa
Italy, Canada
Color
Blue, Green, Colorless
Blue, Red, Yellow, Colorless, Green, White
Streak
White
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.64-2.702.90-3.10
1
7.18
👆🏻
Fracture
-
Uneven, Conchoidal
Cleavage
{010} Perfect
Poor/indistinct on {1120} and {1011}
Mohs Hardness
-99997
2
10
👆🏻
Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue
Pale green
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.560-1.6401.614-1.666
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Trigonal
Birefringence
0.054-0.0750.014-0.032
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
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-
Respiratory
Good
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Reproductive
-
-
Digestive
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Psychology
Hope
Emotional healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Transformation
Emotional Healing