1 Astrology
1.1 Origin
Southern and central Africa
Southern and central Africa, Switzerland, Yellow, blue, Switzerland, Yellow, blue
1.2 Color
Violet, Blue, Red, Yellow, Brown, gray
Red, Brown, Green, Yellow, Blue, Blue, Green, Yellow, Colorless, Pale pink, Red, White, Brown, Black, White, Yellow, Green, Red, Blue, pink
1.3 Streak
1.4 For which Rashi?
Not Available
Scorpio, Aquarius, Pisces, Scorpio, Aquarius, Pisces, Scorpio, Aquarius, Pisces
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
Not Available
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Not Available
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
insoluble
slightly water soluble and in hot hydrochloric acid
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.90-4.053.00-3.25
1
7.18
2.5 Fracture
Uneven, Uneven, Gems, Difficult, Fibrous
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
2.6 Cleavage
None – parting in 3 directions
Octahedral, perfect on {111}, parting on {011}
2.7 Mohs Hardness
2.8 Chemical Composition
Al 2O 3Arthur Thomas , Gemstones (2009)
CaF2
3 Optical Properties
3.1 Luster
Adamantine, Vitreous
Vitreous
3.2 Pleochroism
None
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
1.758-1.7801.432-1.436
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.007-0.010Not Available
0
0.296
3.9 Clarity
Gemmological Tables (2004) More from other references
Transparent
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
Not Available
4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available