Astrology
Origin
USA
Not Available, blue
Color
Yellow, Red, Green, Colorless, orange
Blue, Blue, Green, Blue, Blue
Streak
Yellow, yellowish orange
Blue
For which Rashi?
Not Available
Sagittarius, Capricorn, Sagittarius, Capricorn, Sagittarius, Capricorn
Planet
Not Available
Venus
Element of Planets
Not Available
Water
Energy
Not Available
Receptive
How to Wear?
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Deities
Not Available
Goddess
Not to wear with
Not Available
Not Available
Powers
Not Available
Psychic Power
Birthstone
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Physical Properties
Tenacity
Brittle
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
5.50-5.90
3.70-3.90
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
On {10 1 0}, perfect; parting on {000 1 }
Perfect on {011}, fair on {100}, poor on {110}
Mohs Hardness
4
3.5-4
Chemical Composition
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Optical Properties
Luster
Subadamantine, Resinous
Vitreous
Pleochroism
Very weak
Visible shades of blue
Dispersion
Not Available
Not Available
Transparency
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
Transparent, Translucent
Refractive Index
2.013-2.029
1.720-1.850
Optic Character
Not Available
Not Available
Crystal System
Hexagonal
monoclinic
Birefringence
0.016
0.108
Clarity
TransparentRobert C. Kammerling
Transparent
Benefits
Physical
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
Not Available
Not Available
Reproductive
Not Available
Not Available
Digestive
Not Available
Not Available
Psychology
Not Available
Not Available
Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available
