Origin
Southern and central Africa
Afghanistan, Australia, India, blue, green, blue, green
Color
Brownish, Red, Red, orange
Green, Blue, gray
For which Rashi?
Not Available
Sagittarius, Pisces, Aquarius, Sagittarius, Pisces, Aquarius, Sagittarius, Pisces, Aquarius
Planet
Not Available
Venus, Neptune
Element of Planets
Not Available
Earth
Energy
Not Available
Receptive
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Deities
Not Available
Buddha
Not to wear with
Not Available
Not Available
Powers
Not Available
Protection, Courage, Love
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Not Available
Not Available
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
4.00-4.03
2.30-2.90
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
Not Available
Good to perfect_usually N/A
Chemical Composition
CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CuAl6(PO4)4(OH)8 • 4H2O
Luster
Not Available
Waxy
Pleochroism
Strong dichroism: yellow-brown red to brown-violet (pinkish samples: nearly colorless pale orangy-pink)Herve Nicolas Lazzarelli
Weak
Dispersion
Not Available
None
Transparency
Gems
Translucent, Opaque
Refractive Index
1.787-1.816
1.610-1.650
Optic Character
Not Available
Not Available
Crystal System
Not Available
Triclinic
Birefringence
0.029
0.040
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