Astrology
Origin
Brazil, Southern and central Africa
USA, Southern and central Africa
Color
Blue, Green, Black
Yellow, Brown, Reddish, Greenish, Green, gray
Streak
White
Yellow
For which Rashi?
Gemini, Sagittarius, Gemini, Sagittarius, Gemini, Sagittarius
Not Available
Planet
Jupiter
Not Available
Element of Planets
Not Available
Not Available
How to Wear?
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Projective
Not Available
Deities
Gia
Not Available
Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Birthstone
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.04-3.17
5.5
Fracture
Uneven, Uneven, Gemstones of the world (2001) More from other references
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
{001} Indistinct, {???} Indistinct
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
5.5
5-5.5
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Optical Properties
Luster
Not Available
Vitreous
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Not Available
Dispersion
0.01
26
Not Available
Transparency
Transparent, Translucent
Translucent
Refractive Index
1.604-1.646
1.993-2.02
Optic Character
Not Available
Not Available
Crystal System
monoclinic
Not Available
Birefringence
0.031-0.036
Not Available
Clarity
Transparent
Translucent
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
