1 Astrology
1.1 Origin
Southern and central Africa
Southern and central Africa
1.2 Color
Blue, Colorless, White
Red, Brown, Red, Red, Black
1.3 Streak
White
Brownish, Red, Brownish, Red
1.4 For which Rashi?
Gemini, Virgo, Gemini, Virgo, Gemini, Virgo
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
Not Available
Not Available
1.9 Deities
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
Not Available
Not Available
2.4 Durability
Not Available
Not Available
2.6 Specific Gravity
2.45-2.585.85-6.15
1
7.18
3.2 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
3.3 Cleavage
None
Fair in four directions forming octahedrons
3.5 Mohs Hardness
3.8 Chemical Composition
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
4 Optical Properties
4.1 Luster
4.2 Pleochroism
4.3 Dispersion
4.4 Transparency
Gemmological Tables (2004) More from other references
TranslucentWalter Schumann
4.5 Refractive Index
4.6 Optic Character
Not Available
Not Available
4.7 Crystal System
4.8 Birefringence
0.019Not Available
0
0.296
4.9 Clarity
Gemmological Tables (2004) More from other references
TranslucentWalter Schumann
5 Benefits
5.1 Physical
5.1.1 Neurological
Not Available
Not Available
5.1.2 Cardiovascular
Not Available
Not Available
5.1.3 Respiratory
Not Available
Not Available
5.1.4 Reproductive
Not Available
Not Available
5.1.5 Digestive
Not Available
Not Available
5.2 Psychology
Not Available
Not Available
5.3 Healing
Not Available
Not Available
5.4 Qualities Associated
Not Available
Not Available