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Andradite Vs Amethyst


Amethyst Vs Andradite


Astrology

Origin
Italy, Russia   
USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Color: violet, purple-violet, Hardness: 7, Refractive index: 1.54 1.55, Density: 2.65 2.66, Chemical composition: SiO2, Crystal structure: hexagonal, Lustre: vitreous, Origins: Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, USA, East Africa, Zambia, Namibia, Madagascar, India, Sri Lanka, Russia, Brazil, Uruguay, Bolivia, Argentina, Australia, Brazil, Uruguay, Bolivia, Argentina, Australia   

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

Streak
White   
White   

For which Rashi?
Not Available   
Pisces, Scorpio, Sagittarius, Pisces, Scorpio, Sagittarius, Pisces, Scorpio, Sagittarius   

Planet
Not Available   
Not Available   

Element of Planets
Not Available   
Water   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Not Available   
Receptive   

Deities
Not Available   
Diana   

Not to wear with
Not Available   
Not Available   

Powers
Not Available   
Love, Courage   

Birthstone
  
  

Planetary
Not Available   
Not Available   

Talisman
Not Available   
Not Available   

Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
insoluble in common solvents   

Durability
Not Available   
Not Available   

Specific Gravity
3.70-4.10   
2.65   

Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)   
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)   

Cleavage
none   
Indiscernible   

Mohs Hardness
6.5-7   
7   

Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   
SiO2   

Optical Properties

Luster
Adamantine, Resinous   
Vitreous   

Pleochroism
Not Available   
None   

Dispersion
0.06   
7
0.01   
27

Transparency
Transparent   
Transparent, Transparent to translucent   

Refractive Index
1.88-1.94   
1.544-1.553   

Optic Character
Not Available   
Not Available   

Crystal System
cubic   
Trigonal   

Birefringence
0.057   
0.009   

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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Andradite Vs Amethyst Fracture

Fracture is an important parameter when you compare Andradite and Amethyst Physical Properties. It is necessary to understand the significance of these properties, before you compare Andradite Vs Amethyst 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 Andradite is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Amethyst fracture is Conchoidal, ConchoidalWalter Schumann and Gemstones of the world (2001).

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Andradite Vs Amethyst Luster

A primary knowledge about Andradite vs Amethyst 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. Andradite exhibits Adamantine and Resinous luster. Amethyst, on other hand, exhibits Vitreous luster.

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