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Gedrite Vs Vlasovite


Vlasovite Vs Gedrite


Astrology

Origin
Southern and central Africa  
Russia  

Color
Brown, Green, gray, White  
Colorless, Brownish  

Streak
gray, White  
White  

For which Rashi?
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Planet
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Element of Planets
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Energy
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How to Wear?
  
  

Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
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Birthstone
  
  

Planetary
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Talisman
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Physical Properties

Tenacity
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Brittle  

Solubility
-  
Nearly insoluble in HCl and HNO3  

Durability
-  
-  

Specific Gravity
3.15-3.259  
2.97  

Fracture
-  
Conchoidal  

Cleavage
Gedrite   Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.  
Distinct on {010}  

Mohs Hardness
5.5-6  
6  

Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)  
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Optical Properties

Luster
Vitreous  
Greasy, Vitreous, Pearly  

Pleochroism
Weak to moderate  
(x): colorless. (y): colorless. (z): colorless.  

Dispersion
0.02  
99+
0.01  
99+

Transparency
Transparent  
-  

Refractive Index
1.625-1.718  
1.607  

Optic Character
-  
-  

Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma  
monoclinic  

Birefringence
-9999  
-9999  

Clarity
Transparent  
-  

Benefits

Physical
  
  

Neurological
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Cardiovascular
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Respiratory
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Reproductive
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Digestive
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Psychology
Focus  
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Healing
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Physical healing  

Qualities Associated
Protection  
Protection  

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Gedrite Vs Vlasovite Fracture

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

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Gedrite Vs Vlasovite Luster

A primary knowledge about Gedrite vs Vlasovite 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. Gedrite exhibits Vitreous luster. Vlasovite, on other hand, exhibits Greasy, Vitreous and Pearly luster.

Brown Gemstones

Brown Gemstones


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