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Euclase Vs Dravite


Dravite Vs Euclase


Astrology

Origin
Brazil, Colombia, Southern and central Africa  
Southern and central Africa  

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

Streak
White  
Colorless  

For which Rashi?
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Planet
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Element of Planets
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Energy
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How to Wear?
  
  

Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
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Birthstone
  
  

Planetary
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Talisman
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Physical Properties

Tenacity
-  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
3.08-3.12  
3.03-3.18  

Fracture
ConchoidalWalter Schumann  
Uneven, Irregular, Conchoidal  

Cleavage
{010} Perfect  
{???} Indistinct  

Mohs Hardness
7.5  
7-7.5  

Chemical Composition
BeAlSiO 4(OH)Michael 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  
Vitreous  

Pleochroism
Weak: colorless-(greenish) yellow  
Very strong: pale yellow colorless  

Dispersion
0.02  
99+
0.02  
99+

Transparency
-  
Transparent  

Refractive Index
1.650-1.677  
1.614-1.666  

Optic Character
-  
-  

Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a  
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m  

Birefringence
0.019-0.025  
0.014-0.032  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
Transparent  

Benefits

Physical
  
  

Neurological
Enhances mental clarity and focus  
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Cardiovascular
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Respiratory
Good  
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Reproductive
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Digestive
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Psychology
Harmony  
Self-acceptance  

Healing
Emotional healing  
Emotional healing  

Qualities Associated
Communication  
Self-Exploration  

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Euclase Vs Dravite Fracture

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

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Euclase Vs Dravite Luster

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

Green Gemstones

Green Gemstones


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