Origin
-
Switzerland
Color
Green, Yellow, Brown, White, Colorless, Blue, Brownish, Black
Brown, Brownish, Yellow, Black, Reddish
Streak
White
White, gray
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
insoluble
-
Durability
-
-
Specific Gravity
2.363.7-3.8
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Fibrous
Subconchoidal, Conchoidal
Cleavage
[110] perfect, [101] good, [010] distinct
Distinct on {010}
Mohs Hardness
3.5-47-7.5
2
10
👆🏻
Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Luster
Vitreous, Resinous, Pearly
Resinous
Pleochroism
Weak
X = colorless; Y = pale yellow; Z = golden yellow
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.518-1.5611.736-1.762
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.0250.009-0.015
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
-
Enhances mental clarity and focus
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
Protection
Healing
Emotional healing
Physical healing
Qualities Associated
Clarity
Protection