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Gahnospinel Vs Gedrite


Gedrite Vs Gahnospinel


Astrology

Origin
Sri Lanka  
Southern and central Africa  

Color
Blue  
Brown, Green, gray, White  

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
3.65-4.55  
3.15-3.259  

Fracture
Conchoidal  
-  

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

Mohs Hardness
7.5-8  
5.5-6  

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

Optical Properties

Luster
Vitreous  
Vitreous  

Pleochroism
-  
Weak to moderate  

Dispersion
0.02  
99+
0.02  
99+

Transparency
-  
Transparent  

Refractive Index
1.735-1.790  
1.625-1.718  

Optic Character
-  
-  

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

Birefringence
-9999  
-9999  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
Transparent  

Benefits

Physical
  
  

Neurological
-  
-  

Cardiovascular
-  
-  

Respiratory
-  
-  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
Empowerment  
Focus  

Healing
-  
-  

Qualities Associated
Transformation  
Protection  

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Gahnospinel Vs Gedrite Fracture

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

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Gahnospinel Vs Gedrite Luster

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

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