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Gemstones



Andalusite Vs Coral


Astrology

Origin
Southern and central Africa, Orange, blue  
Spain, Brazil, USA, Sri Lanka, Burma, Color: strongly pleochroic, reddish brown, pink / yellowish green, Hardness: 7 7.5, Refractive index: 1.63 1.65, Density: 3.13 3.21, Chemical composition: Al2SiO5, Crystal structure: orthorhombic, Lustre: vitreous, greasy, Origins: Spain, Burma. Discovered in Andalusia (Spain), the andalusite stone is relatively rare, with big crystals over 10 ct. especially rare. Due to its remarkable pleochroism effect, the stone is highly valued by collectors., brown  

Color
White, Blue  
Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Red  

Streak
Not Available  
White  

For which Rashi?
Pisces  
All  

Planet
Neptune  
Venus  

Element of Planets
Water  
Not Available  

Energy
Receptive  
Projective, Receptive  

How to Wear?
  
  

Finger
Not Available  
Not Available  

Ring Metal
Not Available  
Not Available  

Deities
Venus  
Not Available  

Not to wear with
Not Available  
Not Available  

Powers
Healing, Protection  
Not Available  

Birthstone
  
  

Planetary
Not Available  
Not Available  

Talisman
Not Available  
Not Available  

Physical Properties

Tenacity
Not Available  
Not Available  

Solubility
Not Available  
Not Available  

Durability
Not Available  
Not Available  

Specific Gravity
2.60-2.70  
3.05-3.21  

Fracture
Irregular, Gemstones of the world (2001)  
Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)  

Cleavage
Not Available  
Good on {110}, poor on {100}  

Mohs Hardness
3-4  
7.5  

Chemical Composition
CaCO 3Ulrich Henn and Claudio C.  
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references  

Optical Properties

Luster
Not Available  
Vitreous, Greasy  

Pleochroism
AbsentWalter Schumann  
strongly trichroic  

Dispersion
None  
0.02  
23

Transparency
Translucent  
Transparent, Translucent  

Refractive Index
1.486-1.658  
1.627-1.650  

Optic Character
Not Available  
Not Available  

Crystal System
Trigonal  
Orthorhombic  

Birefringence
0.160-0.172  
0.009-0.010  

Clarity
Translucent  
Transparent  

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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