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Gemstones


Chrysocolla Vs Andalusite


Andalusite Vs Chrysocolla


Astrology

Origin
Southern and central Africa, Sixth Edition (2006)   
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   

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

Streak
White, Blue, Green   
White   

For which Rashi?
Taurus   
All   

Planet
Venus   
Venus   

Element of Planets
Water   
Not Available   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Receptive   
Projective, Receptive   

Deities
Venus   
Not Available   

Not to wear with
Not Available   
Not Available   

Powers
Love   
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
2.00-2.45   
3.05-3.21   

Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle   
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)   

Cleavage
none   
Good on {110}, poor on {100}   

Mohs Hardness
2-4   
7.5   

Chemical Composition
Cu2H2Si2O5(OH)4   
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references   

Optical Properties

Luster
Vitreous, Greasy   
Vitreous, Greasy   

Pleochroism
AbsentWalter Schumann   
strongly trichroic   

Dispersion
None   
0.02   
23

Transparency
Opaque   
Transparent, Translucent   

Refractive Index
1.460-1.570   
1.627-1.650   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Orthorhombic   

Birefringence
0.023-0.050   
0.009-0.010   

Clarity
Gemmological Tables (2004) More from other references   
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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Chrysocolla Vs Andalusite Fracture

Fracture is an important parameter when you compare Chrysocolla and Andalusite Physical Properties. It is necessary to understand the significance of these properties, before you compare Chrysocolla Vs Andalusite 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 Chrysocolla is Brittle, ConchoidalArthur Thomas, Gemstones (2009) and Sub-Conchoidal. Andalusite fracture is Gemstones (2009), Splintery, Subconchoidal, Subconchoidal, Uneven, Uneven and UnevenArthur Thomas.

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Chrysocolla Vs Andalusite Luster

A primary knowledge about Chrysocolla vs Andalusite 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. Chrysocolla exhibits Greasy and Vitreous luster. Andalusite, on other hand, exhibits Greasy and Vitreous luster.

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