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Omphacite Vs Hematite


Astrology

Origin
Southern and central Africa   
Southern and central Africa   

Color
Black, Reddish, gray, Red   
Green   

Streak
Black, Brown, Reddish, Red   
Greenish, White   

For which Rashi?
Aries, Aquarius, Aries, Aquarius, Aries, Aquarius   
Not Available   

Planet
Saturn   
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
Mars   
Not Available   

Not to wear with
Not Available   
Not Available   

Powers
Healing   
Not Available   

Birthstone
  
  

Planetary
Not Available   
Not Available   

Talisman
Not Available   
Not Available   

Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.00-5.30   
3.16-3.43   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   

Cleavage
None, may show partings on {0001} and {10 1 1}   
{110} Good, {110} Good   

Mohs Hardness
6   
5-6   

Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)   
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)   

Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
O = brownish red; E = yellowish red   
Weak: colorless -- very pale green -- very pale green   

Dispersion
Not Available   
Not Available   

Transparency
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references   
TranslucentAnthony et al, Handbook of mineralogy (2001)   

Refractive Index
2.690-3.220   
1.662-1.723   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Not Available   

Birefringence
0.280   
Not Available   

Clarity
OpaqueHerve Nicolas Lazzarelli   
TranslucentAnthony et al   

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   

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