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Vlasovite Vs Ettringite


Ettringite Vs Vlasovite


Astrology

Origin
Russia  
Southern and central Africa  

Color
Colorless, Brownish  
Colorless, Yellow, White  

Streak
White  
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  
-  

Solubility
Nearly insoluble in HCl and HNO3  
Partially soluble in water  

Durability
-  
-  

Specific Gravity
2.97  
1.77  

Fracture
Conchoidal  
-  

Cleavage
Distinct on {010}  
Perfect on {10 1 0}  

Mohs Hardness
6  
2-2.5  

Chemical Composition
-  
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)  

Optical Properties

Luster
Greasy, Vitreous, Pearly  
Vitreous  

Pleochroism
(x): colorless. (y): colorless. (z): colorless.  
-  

Dispersion
0.01  
99+
0.04  
36

Transparency
-  
Transparent, Translucent  

Refractive Index
1.607  
1.470-1.491  

Optic Character
-  
-  

Crystal System
monoclinic  
Trigonal  

Birefringence
-9999  
0.021  

Clarity
-  
Transparent  

Benefits

Physical
  
  

Neurological
-  
-  

Cardiovascular
-  
-  

Respiratory
-  
-  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
-  
Adaptability  

Healing
Physical healing  
Emotional healing  

Qualities Associated
Protection  
Balance  

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Vlasovite Vs Ettringite Fracture

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

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Vlasovite Vs Ettringite Luster

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

Brown Gemstones

Brown Gemstones


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