1 Astrology
1.1 Origin
Southern and central Africa
1.2 Color
Black, Reddish, gray, Red
1.3 Streak
Black, Brown, Reddish, Red
1.4 For which Rashi?
Aries, Aquarius, Aries, Aquarius, Aries, Aquarius
1.5 Planet
Saturn
1.6 Element of Planets
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
1.7.2 Ring Metal
Not Available
1.8 Energy
Projective
1.9 Deities
Mars
1.10 Not to wear with
Not Available
1.11 Powers
Healing
1.12 Birthstone
1.12.1 Planetary
Not Available
1.12.2 Talisman
Not Available
2 Physical Properties
2.1 Tenacity
Brittle
2.2 Solubility
Not Available
2.3 Durability
Not Available
2.4 Specific Gravity
5.00-5.30
Check 5.00-5.30 Range Gemstones!
1
7.18
2.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
2.6 Cleavage
None, may show partings on {0001} and {10 1 1}
2.7 Mohs Hardness
6
Check 6 Range Gemstones!
2
10
2.8 Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
Not Available
3.2 Pleochroism
O = brownish red; E = yellowish red
3.3 Dispersion
Not Available
Rank: N/A (Overall) ▶
0.007
1
3.4 Transparency
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
3.5 Refractive Index
2.690-3.220
Check 2.690-3.220 Range Gemstones!
1
3.25
3.6 Optic Character
Not Available
3.7 Crystal System
Trigonal
3.8 Birefringence
0.280
Check 0.280 Range Gemstones!
0
0.296
3.9 Clarity
OpaqueHerve Nicolas Lazzarelli
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
4.1.2 Cardiovascular
Not Available
4.1.3 Respiratory
Not Available
4.1.4 Reproductive
Not Available
4.1.5 Digestive
Not Available
4.2 Psychology
Not Available
4.3 Healing
Not Available
4.4 Qualities Associated
Not Available