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Andalusite Vs Chrysoberyl


Chrysoberyl Vs Andalusite


Astrology

Origin
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, Brazil, USA, Sri Lanka, 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   
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Color: blue, Not Available, Not Available, Not Available, Hardness: 8.5, Refractive index: 1.74 1.77, Density: 3.68 3.80, Chemical composition: BeAl2O3, Crystal structure: orthorhombic, Origins: Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma. Bluish stones are most valuable. Prices for chrysoberyls grow rapidly with weight, and clean stones bigger than 15 cts are rare and therefore an excellent investment.   

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

Streak
White   
White   

For which Rashi?
All   
Not Available   

Planet
Venus   
Not Available   

Element of Planets
Not Available   
Earth, Water   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Projective, Receptive   
Not Available   

Deities
Not Available   
Not Available   

Not to wear with
Not Available   
Not Available   

Powers
Not Available   
Healing   

Birthstone
  
  

Planetary
Not Available   
Not Available   

Talisman
Not Available   
Not Available   

Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.05-3.21   
3.69-3.81   

Fracture
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)   
Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic   

Cleavage
Good on {110}, poor on {100}   
Distinct on {110}, imperfect on {010}, poor on {001}   

Mohs Hardness
7.5   
8.5   

Chemical Composition
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references   
BeAl 2 O 4   

Optical Properties

Luster
Vitreous, Greasy   
Vitreous   

Pleochroism
strongly trichroic   
X = red; Y = yellow-orange; Z = emerald-green   

Dispersion
0.02   
23
0.02   
24

Transparency
Transparent, Translucent   
Transparent, Translucent, Transparent to translucent   

Refractive Index
1.627-1.650   
1.746-1.763   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Orthorhombic   
Orthorhombic   

Birefringence
0.009-0.010   
0.007-0.013   

Clarity
Transparent   
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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Andalusite Vs Chrysoberyl Fracture

Fracture is an important parameter when you compare Andalusite and Chrysoberyl Physical Properties. It is necessary to understand the significance of these properties, before you compare Andalusite Vs Chrysoberyl fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Andalusite is Gemstones (2009), Splintery, Subconchoidal, Subconchoidal, Uneven, Uneven and UnevenArthur Thomas. Chrysoberyl fracture is Brittle, Brittle, Conchoidal to uneven, ConchoidalWalter Schumann, Metallic, Metallic, Uneven and Uneven.

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Andalusite Vs Chrysoberyl Luster

A primary knowledge about Andalusite vs Chrysoberyl luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Andalusite exhibits Greasy and Vitreous luster. Chrysoberyl, on other hand, exhibits Vitreous luster.

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