Astrology
Origin
Madagascar, Tanzania
Southern and central Africa
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Green, Grey, Green, White
Streak
Not Available
White
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
How to Wear?
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Not Available
Deities
Not Available
Not Available
Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Birthstone
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
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Specific Gravity
Not Available
2.60-3.02
Fracture
Not Available
Uneven
Cleavage
Not Available
{001} Perfect
Mohs Hardness
7-7.5
2-2.5
Chemical Composition
Not Available
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
Optical Properties
Luster
Not Available
Pearly, Greasy
Pleochroism
Not Available
Distinct: light yellow-green to light bluE
Dispersion
Not Available
Not Available
Transparency
Not Available
Transparent
Refractive Index
1.73-1.81
1.571-1.597
Optic Character
Not Available
Biaxial/+
Crystal System
Isometric
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Birefringence
Not Available
Not Available
Clarity
Color grading system
Transparent
Benefits
Physical
Neurological
Not Available
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Cardiovascular
Not Available
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Respiratory
Not Available
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Reproductive
Not Available
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Digestive
Not Available
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Psychology
Not Available
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Healing
Not Available
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Qualities Associated
Not Available
Not Available
