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Arfvedsonite Vs Pollucite


Pollucite Vs Arfvedsonite


Astrology

Origin
Canada, Russia  
Afghanistan, Southern and central Africa  

Color
Black, Green, gray  
Grey, White, Colorless, gray, Pale pink, Blue  

Streak
gray, Green  
White  

For which Rashi?
-  
-  

Planet
-  
-  

Element of Planets
-  
-  

Energy
-  
-  

How to Wear?
  
  

Finger
-  
-  

Ring Metal
-  
-  

Deities
-  
-  

Not to wear with
-  
-  

Powers
-  
-  

Birthstone
  
  

Planetary
-  
-  

Talisman
-  
-  

Physical Properties

Tenacity
Brittle  
Brittle  

Solubility
-  
Readily soluble in HF  

Durability
-  
-  

Specific Gravity
3.3-3.5  
2.86-2.94  

Fracture
Uneven  
Conchoidal, Uneven  

Cleavage
Perfect on [110]  
None observed  

Mohs Hardness
5-6  
6.5-7  

Chemical Composition
NaNa2(Fe++4Fe+++)Si8O22(OH)2  
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references  

Optical Properties

Luster
Vitreous  
Vitreous, Greasy  

Pleochroism
Strong: Blue-greens  
-  

Dispersion
0.02  
99+
0.01  
99+

Transparency
-  
Transparent, Translucent  

Refractive Index
1.652-1.699  
1.517-1.525  

Optic Character
-  
-  

Crystal System
monoclinic  
Isometric  

Birefringence
-9999  
-9999  

Clarity
-  
Transparent  

Benefits

Physical
  
  

Neurological
Promotes psychic abilities and spiritual growth  
-  

Cardiovascular
-  
-  

Respiratory
Excellent  
Good  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
Insight  
-  

Healing
Emotional healing  
-  

Qualities Associated
Manifestation  
Harmony  

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Arfvedsonite Vs Pollucite Fracture

Fracture is an important parameter when you compare Arfvedsonite and Pollucite Physical Properties. It is necessary to understand the significance of these properties, before you compare Arfvedsonite Vs Pollucite 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 Arfvedsonite is Uneven. Pollucite fracture is Conchoidal and Uneven.

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Arfvedsonite Vs Pollucite Luster

A primary knowledge about Arfvedsonite vs Pollucite 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. Arfvedsonite exhibits Vitreous luster. Pollucite, on other hand, exhibits Vitreous and Greasy luster.

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Green Gemstones


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