1 Astrology
1.1 Origin
Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma
Afghanistan, Southern and central Africa
1.2 Color
Blue, Yellow, Colorless, White, gray, Green, Black
Blue, Greenish, Violet
1.3 Streak
1.4 For which Rashi?
Aries, Libra, Taurus, Aries, Libra, Taurus, Aries, Libra, Taurus
Not Available
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
Endurance, Meditation, Love
Not Available
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
2.5 Fracture
Splintery, Brittle, Metallic
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
2.6 Cleavage
[100] perfect [010] imperfect with 79° angle between
Imperfect on {110}
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
3.5 Refractive Index
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Color grading system
Gemmological Tables (2004) More from other references
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available