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Gahnospinel Vs Bytownite


Bytownite Vs Gahnospinel


Astrology

Origin
Sri Lanka  
Canada, Southern and central Africa, Australia  

Color
Blue  
Colorless, White, gray  

Streak
-  
White  

For which Rashi?
Sagittarius, Scorpio  
-  

Planet
Pluto  
-  

Element of Planets
-  
-  

Energy
-  
-  

How to Wear?
  
  

Finger
-  
-  

Ring Metal
-  
-  

Deities
Hephaestus  
-  

Not to wear with
-  
-  

Powers
-  
-  

Birthstone
  
  

Planetary
-  
-  

Talisman
-  
-  

Physical Properties

Tenacity
-  
Brittle  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
3.65-4.55  
2.72-2.75  

Fracture
Conchoidal  
Uneven  

Cleavage
None, but may exhibit slight parting  
Perfect on [001], good on [010], imperfect on [110]  

Mohs Hardness
7.5-8  
6-6.5  

Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)  
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)  

Optical Properties

Luster
Vitreous  
Vitreous, Pearly  

Pleochroism
-  
colorless.  

Dispersion
0.02  
99+
0.01  
99+

Transparency
-  
Transparent  

Refractive Index
1.735-1.790  
1.561-1.583  

Optic Character
-  
-  

Crystal System
Isometric  
Triclinic  

Birefringence
-9999  
0.010-0.011  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
Transparent  

Benefits

Physical
  
  

Neurological
-  
-  

Cardiovascular
-  
-  

Respiratory
-  
Poor  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
Empowerment  
Clarity  

Healing
-  
Emotional healing  

Qualities Associated
Transformation  
Clarity  

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Gahnospinel Vs Bytownite Fracture

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

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Gahnospinel Vs Bytownite Luster

A primary knowledge about Gahnospinel vs Bytownite 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. Gahnospinel exhibits Vitreous luster. Bytownite, on other hand, exhibits Vitreous and Pearly luster.

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