Origin
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Italy, China
Color
Green, Yellow, Brown, White, Colorless, Blue, Brownish, Black
Colorless, White, Blue, gray
Streak
White
White
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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Brittle
Solubility
insoluble
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Durability
-
-
Specific Gravity
2.363.09
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Fibrous
Uneven
Cleavage
[110] perfect, [101] good, [010] distinct
Perfect on {100} and {010}, imperfect on {101}
Mohs Hardness
3.5-48
2
10
👆🏻
Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaAl2Si2O7(OH)2.H2O
Luster
Vitreous, Resinous, Pearly
Vitreous, Greasy
Pleochroism
Weak
Weak
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.518-1.5611.672-1.676
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.0250.019-0.021
0
0.296
👆🏻
Clarity
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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
Clarity
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Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
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