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Melanite Vs Dioptase


Dioptase Vs Melanite


Astrology

Origin
Sri Lanka   
Dioptase from Altyn Tübe, Kazakhstan, the type locality   

Color
Black   
Green, Blue, Green   

Streak
Not Available   
Green   

For which Rashi?
Not Available   
Not Available   

Planet
Not Available   
Not Available   

Element of Planets
Not Available   
Not Available   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Not Available   
Not Available   

Deities
Not Available   
Not Available   

Not to wear with
Not Available   
Not Available   

Powers
Not Available   
Not Available   

Birthstone
  
  

Planetary
Not Available   
Not Available   

Talisman
Not Available   
Not Available   

Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.70-4.10   
3.25-3.35   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   

Cleavage
Not Available   
Perfect in three directions   

Mohs Hardness
6.5-7   
5   

Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties

Luster
Subadamantine, Vitreous   
Vitreous   

Pleochroism
Not Available   
Weak; dark emerald green   

Dispersion
0.06   
7
0.04   
13

Transparency
Translucent   
TranslucentHerve Nicolas Lazzarelli   

Refractive Index
1.855-1.895   
1.644-1.720   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Trigonal   

Birefringence
Not Available   
0.051-0.053   

Clarity
Translucent   
TranslucentHerve Nicolas Lazzarelli   

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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Melanite Vs Dioptase Fracture

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

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Melanite Vs Dioptase Luster

A primary knowledge about Melanite vs Dioptase 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. Melanite exhibits Subadamantine and Vitreous luster. Dioptase, on other hand, exhibits Vitreous luster.

Black Gemstones

Black Gemstones


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