Origin
Canada, Southern and central Africa
Switzerland
Color
Green, Yellow, Red
Brown, Brownish, Yellow, Black, Reddish
Streak
White
White, gray
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
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-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.28-3.323.7-3.8
1
7.18
👆🏻
Fracture
Uneven
Subconchoidal, Conchoidal
Cleavage
{101} Distinct
Distinct on {010}
Mohs Hardness
6-6.57-7.5
2
10
👆🏻
Chemical Composition
ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Luster
Vitreous
Resinous
Pleochroism
-
X = colorless; Y = pale yellow; Z = golden yellow
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.593-1.5961.736-1.762
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422
monoclinic
Birefringence
0.0010.009-0.015
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
Personal power
Protection
Healing
Physical healing
Physical healing
Qualities Associated
Vitality
Protection