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Weloganite Vs Dravite


Dravite Vs Weloganite


Astrology

Origin
Canada  
Southern and central Africa  

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

Streak
White  
Colorless  

For which Rashi?
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-  

Planet
-  
-  

Element of Planets
-  
-  

Energy
-  
-  

How to Wear?
  
  

Finger
-  
-  

Ring Metal
-  
-  

Deities
-  
-  

Not to wear with
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Powers
-  
-  

Birthstone
  
  

Planetary
-  
-  

Talisman
-  
-  

Physical Properties

Tenacity
-  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
3.20-3.22  
3.03-3.18  

Fracture
Conchoidal  
Uneven, Irregular, Conchoidal  

Cleavage
Perfect on pseudo {0001}  
{???} Indistinct  

Mohs Hardness
3  
7-7.5  

Chemical Composition
Na2SrZrSi6O17(OH)3·3H2O  
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)  

Optical Properties

Luster
Vitreous  
Vitreous  

Pleochroism
-  
Very strong: pale yellow colorless  

Dispersion
0.03  
99+
0.02  
99+

Transparency
-  
Transparent  

Refractive Index
1.558  
1.614-1.666  

Optic Character
-  
-  

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

Birefringence
0.082  
0.014-0.032  

Clarity
-  
Transparent  

Benefits

Physical
  
  

Neurological
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-  

Cardiovascular
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-  

Respiratory
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Reproductive
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-  

Digestive
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Psychology
-  
Self-acceptance  

Healing
Emotional healing  
Emotional healing  

Qualities Associated
Spirituality  
Self-Exploration  

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Weloganite Vs Dravite Fracture

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

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Weloganite Vs Dravite Luster

A primary knowledge about Weloganite vs Dravite 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. Weloganite exhibits Vitreous luster. Dravite, on other hand, exhibits Vitreous luster.

Yellow Gemstones

Yellow Gemstones


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