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Wavellite Vs Dravite


Dravite Vs Wavellite


Astrology

Origin
-  
Southern and central Africa  

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

Streak
White  
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
insoluble  
-  

Durability
-  
-  

Specific Gravity
2.36  
3.03-3.18  

Fracture
Uneven, Subconchoidal, Fibrous  
Uneven, Irregular, Conchoidal  

Cleavage
[110] perfect, [101] good, [010] distinct  
{???} Indistinct  

Mohs Hardness
3.5-4  
7-7.5  

Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references  
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)  

Optical Properties

Luster
Vitreous, Resinous, Pearly  
Vitreous  

Pleochroism
Weak  
Very strong: pale yellow colorless  

Dispersion
0.02  
99+
0.02  
99+

Transparency
-  
Transparent  

Refractive Index
1.518-1.561  
1.614-1.666  

Optic Character
-  
-  

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

Birefringence
0.025  
0.014-0.032  

Clarity
-  
Transparent  

Benefits

Physical
  
  

Neurological
-  
-  

Cardiovascular
Supports heart health  
-  

Respiratory
-  
-  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
Clarity  
Self-acceptance  

Healing
Emotional healing  
Emotional healing  

Qualities Associated
Clarity  
Self-Exploration  

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Wavellite Vs Dravite Fracture

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

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Wavellite Vs Dravite Luster

A primary knowledge about Wavellite 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. Wavellite exhibits Vitreous, Resinous and Pearly luster. Dravite, on other hand, exhibits Vitreous luster.

Green Gemstones

Green Gemstones


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