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Chromite Vs Mottramite


Mottramite Vs Chromite


Astrology

Origin
Southern and central Africa  
-  

Color
Black, Brownish, Brown  
Brown, Green, Yellow  

Streak
Brown  
Green, Brownish  

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  
Brittle  

Solubility
-  
Soluble  

Durability
-  
-  

Specific Gravity
4.5-4.8  
5.9  

Fracture
Uneven  
Sub-Conchoidal  

Cleavage
None, parting may develop along {111}  
None observed  

Mohs Hardness
5.5  
3  

Chemical Composition
Fe++Cr2O4  
PbCu(VO4)(OH)  

Optical Properties

Luster
-  
Greasy  

Pleochroism
none.  
Visible X=Y= canary yellow to greenish yellow  

Dispersion
0.04  
39
0.04  
36

Transparency
-  
-  

Refractive Index
2.08-2.16  
2.170  

Optic Character
-  
-  

Crystal System
Isometric  
Orthorhombic  

Birefringence
-9999  
0.150  

Clarity
-  
-  

Benefits

Physical
  
  

Neurological
-  
-  

Cardiovascular
-  
-  

Respiratory
Poor  
Good  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
Vitality  
Confidence  

Healing
Emotional healing  
Emotional healing  

Qualities Associated
Protection  
Transformation  

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Chromite Vs Mottramite Fracture

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

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Chromite Vs Mottramite Luster

A primary knowledge about Chromite vs Mottramite 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. Mottramite, on other hand, exhibits Greasy luster.

Brown Gemstones

Brown Gemstones


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