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Gemstones



Legrandite Vs Fayalite


Astrology

Origin
Southern and central Africa  
Mexico  

Color
Yellow, Brown, Black  
Yellow, yellowish orange  

Streak
White  
White  

For which Rashi?
-  
-  

Planet
-  
-  

Element of Planets
-  
-  

Energy
-  
-  

How to Wear?
  
  

Finger
  
-  

Ring Metal
-  
-  

Deities
-  
-  

Not to wear with
-  
-  

Powers
-  
-  

Birthstone
  
  

Planetary
-  
-  

Talisman
-  
-  

Physical Properties

Tenacity
-  
Brittle  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
4.392  
3.98-4.04  

Fracture
Conchoidal  
Conchoidal  

Cleavage
{010} moderate, {100} imperfect  
Imperfect, poor one {100}  

Mohs Hardness
6.5-7  
4.5-5  

Chemical Composition
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)  
Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references  

Optical Properties

Luster
Vitreous, Resinous  
Vitreous  

Pleochroism
Faint  
Colorless  

Dispersion
0.03  
99+
0.03  
99+

Transparency
TransparentAnthony et al  
-  

Refractive Index
1.827-1.879  
1.702-1.740  

Optic Character
-  
-  

Crystal System
Orthorhombic  
monoclinic  

Birefringence
0.042-0.051  
0.060  

Clarity
TransparentAnthony et al  
-  

Benefits

Physical
  
  

Neurological
-  
-  

Cardiovascular
-  
-  

Respiratory
Good  
-  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
Creativity  
Creativity  

Healing
Physical healing  
-  

Qualities Associated
Creativity  
Optimism  

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