Astrology
Origin
Southern and central Africa
Brazil
Color
Black, Reddish, gray, Red
Black, Colorless, Green, Violet, White, Yellow, White, Colorless, Blue, Red, Green, Yellow, pink, Brown, Colorless, Violet, gray, Yellow
Streak
Black, Brown, Reddish, Red
White
For which Rashi?
Aries, Aquarius, Aries, Aquarius, Aries, Aquarius
Taurus, Capricorn, Sagittarius, Capricorn, Sagittarius
Planet
Saturn
Venus, Moon
Element of Planets
Not Available
Earth, Water
Energy
Projective
Receptive
How to Wear?
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Deities
Mars
Nerthus
Not to wear with
Not Available
Not Available
Powers
Healing
Healing, Protection
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
5.00-5.30
2.65
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Conchoidal, Conchoidal, Brittle, Gems
Cleavage
None, may show partings on {0001} and {10 1 1}
{0110} Indistinct
Mohs Hardness
6
7
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
SiO2
Optical Properties
Luster
Not Available
Vitreous
Pleochroism
O = brownish red; E = yellowish red
None
Dispersion
Not Available
0.01
27
Transparency
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
Transparent, Translucent, Transparent to translucent
Refractive Index
2.690-3.220
1.544-1.553
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Trigonal
Birefringence
0.280
0.009
Clarity
OpaqueHerve Nicolas Lazzarelli
Opaque
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
