1 Astrology
1.1 Origin
Zimbabwe
Southern and central Africa
1.2 Color
Violet, White, gray, Blue, Brown, Black
Black, Reddish, gray, Red
1.3 Streak
White
Black, Brown, Reddish, Red
1.4 For which Rashi?
Cancer, Sagittarius, Cancer, Sagittarius, Cancer, Sagittarius
Aries, Aquarius, Aries, Aquarius, Aries, Aquarius
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
2.2 Solubility
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.55-2.705.00-5.30
1
7.18
2.5 Fracture
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
2.6 Cleavage
Absent
None, may show partings on {0001} and {10 1 1}
2.7 Mohs Hardness
2.8 Chemical Composition
SiO2
Fe 2O 3Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
AbsentWalter Schumann
O = brownish red; E = yellowish red
3.3 Dispersion
3.4 Transparency
Translucent, Translucent to opaque
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
3.5 Refractive Index
1.530-1.5432.690-3.220
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
Translucent
OpaqueHerve Nicolas Lazzarelli
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available