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Pyrargyrite Vs Cobaltite


Cobaltite Vs Pyrargyrite


Astrology

Origin
Mexico   
Canada   

Color
Black, Red   
Reddish, White, Violet, gray, Black, Reddish, White, Violet, gray, Black   

Streak
Red   
Black   

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
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.85   
6.3   

Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle   
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic   

Cleavage
Distinct on {10 1 1}, imperfect on {01 1 2}   
{100} Good, {010} Good, {001} Good   

Mohs Hardness
2.5-3   
5.5   

Chemical Composition
Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
CoAsSAnthony et al , Handbook of mineralogy (2001)   

Optical Properties

Luster
Adamantine   
Not Available   

Pleochroism
Distinct   
Very weak   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Gems   

Refractive Index
2.881-3.084   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21   

Birefringence
0.203   
Not Available   

Clarity
Translucent   
Gems   

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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Pyrargyrite Vs Cobaltite Fracture

Fracture is an important parameter when you compare Pyrargyrite and Cobaltite Physical Properties. It is necessary to understand the significance of these properties, before you compare Pyrargyrite Vs Cobaltite 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 Pyrargyrite is Brittle, Conchoidal, ConchoidalArthur Thomas and Uneven. Cobaltite fracture is Brittle, Handbook of mineralogy (2001) More from other references, Handbook of mineralogy (2001) More from other references, Metallic, UnevenAnthony et al and UnevenAnthony et al.

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Pyrargyrite Vs Cobaltite Luster

A primary knowledge about Pyrargyrite vs Cobaltite 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. Pyrargyrite exhibits Adamantine luster.

Black Gemstones

Black Gemstones


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