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Dravite Vs Chrome-Chalcedony


Chrome-Chalcedony Vs Dravite


Astrology

Origin
Southern and central Africa  
Southern and central Africa  

Color
White, Colorless, Blue, Red, Green, Yellow, Violet, Black  
White, Colorless, Blue, Red, Green, Yellow, Violet  

Streak
Colorless  
-  

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
-  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
3.03-3.18  
2.55-2.70  

Fracture
Uneven, Irregular, Conchoidal  
-  

Cleavage
{???} Indistinct  
None  

Mohs Hardness
7-7.5  
6.5-7  

Chemical Composition
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)  
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)  

Optical Properties

Luster
Vitreous  
Waxy  

Pleochroism
Very strong: pale yellow colorless  
-  

Dispersion
0.02  
99+
0.01  
99+

Transparency
Transparent  
Translucent  

Refractive Index
1.614-1.666  
1.530-1.543  

Optic Character
-  
-  

Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m  
-  

Birefringence
0.014-0.032  
0.003-0.009  

Clarity
Transparent  
Translucent  

Benefits

Physical
  
  

Neurological
-  
-  

Cardiovascular
-  
-  

Respiratory
-  
Good  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
Self-acceptance  
Peace  

Healing
Emotional healing  
Emotional healing  

Qualities Associated
Self-Exploration  
Balance  

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Dravite Vs Chrome-Chalcedony Fracture

Fracture is an important parameter when you compare Dravite and Chrome-Chalcedony Physical Properties. It is necessary to understand the significance of these properties, before you compare Dravite Vs Chrome-Chalcedony 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 Dravite is Uneven, Irregular and Conchoidal.

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Dravite Vs Chrome-Chalcedony Luster

A primary knowledge about Dravite vs Chrome-Chalcedony 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. Dravite exhibits Vitreous luster. Chrome-Chalcedony, on other hand, exhibits Waxy luster.

Blue Gemstones

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