Origin
-
India, Southern and central Africa, Madagascar
Color
Green, Yellow, Brown, White, Colorless, Blue, Brownish, Black
Black, Brownish, Greenish
Streak
White
Brown
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
insoluble
-
Durability
-
-
Specific Gravity
2.363.18-3.22
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Fibrous
Uneven, Conchoidal
Cleavage
[110] perfect, [101] good, [010] distinct
{1011} Indistinct
Mohs Hardness
3.5-4-9999
2
10
👆🏻
Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Luster
Vitreous, Resinous, Pearly
Vitreous
Pleochroism
Weak
Very strong: yellow-brown pale yellow
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.518-1.5611.635-1.672
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.0250.025
0
0.296
👆🏻
Clarity
-
Transparent
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
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Protection & Grounding