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Gedrite Vs Gahnospinel


Gahnospinel Vs Gedrite


Astrology

Origin
Southern and central Africa  
Sri Lanka  

Color
Brown, Green, gray, White  
Blue  

Streak
gray, 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
-  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
3.15-3.259  
3.65-4.55  

Fracture
-  
Conchoidal  

Cleavage
Gedrite   Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.  
None, but may exhibit slight parting  

Mohs Hardness
5.5-6  
7.5-8  

Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)  
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)  

Optical Properties

Luster
Vitreous  
Vitreous  

Pleochroism
Weak to moderate  
-  

Dispersion
0.02  
99+
0.02  
99+

Transparency
Transparent  
-  

Refractive Index
1.625-1.718  
1.735-1.790  

Optic Character
-  
-  

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

Birefringence
-9999  
-9999  

Clarity
Transparent  
TransparentUlrich Henn and Claudio C. Milisenda  

Benefits

Physical
  
  

Neurological
-  
-  

Cardiovascular
-  
-  

Respiratory
-  
-  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
Focus  
Empowerment  

Healing
-  
-  

Qualities Associated
Protection  
Transformation  

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Gedrite Vs Gahnospinel Fracture

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

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Gedrite Vs Gahnospinel Luster

A primary knowledge about Gedrite vs Gahnospinel 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. Gahnospinel, on other hand, exhibits Vitreous luster.

Brown Gemstones

Brown Gemstones


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