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Proustite Vs Peridot


Peridot Vs Proustite


Astrology

Origin
Southern and central Africa  
China, Burma, Pakistan, USA, Southern and central Africa, Brazil  

Color
Black, Reddish, gray  
Green  

Streak
Black, Red  
None  

For which Rashi?
Not Available  
Libra, Taurus, Leo, Virgo  

Planet
Not Available  
Sun  

Element of Planets
Not Available  
Earth  

Energy
Not Available  
Receptive  

How to Wear?
  
  

Finger
Not Available  
Not Available  

Ring Metal
Not Available  
Not Available  

Deities
Not Available  
Isis  

Not to wear with
Not Available  
Not Available  

Powers
Not Available  
Protection, Wealth  

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
5.51-5.64  
1.54-1.55  

Fracture
Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle  
Conchoidal  

Cleavage
Distinct on {10 1 1}  
Poor  

Mohs Hardness
2.5  
6.5-7  

Chemical Composition
Ag 3AsS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references  
(Mg,Fe)2SiO4  

Optical Properties

Luster
Adamantine  
Vitreous, Greasy  

Pleochroism
Moderate; cochineal-red to blood-red  
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli  

Dispersion
Not Available  
0.02  
18

Transparency
OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references  
Transparent  

Refractive Index
2.792-3.087  
1.64-1.69  

Optic Character
Not Available  
Not Available  

Crystal System
Trigonal  
Orthorhombic  

Birefringence
0.295-0.296  
0.036  

Clarity
OpaqueUlrich Henn and Claudio C. Milisenda  
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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Proustite Vs Peridot Fracture

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

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Proustite Vs Peridot Luster

A primary knowledge about Proustite vs Peridot 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. Proustite exhibits Adamantine luster. Peridot, on other hand, exhibits Vitreous and Greasy luster.

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