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Dravite Vs Euclase


Euclase Vs Dravite


Astrology

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

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

Streak
Colorless  
White  

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
3.03-3.18  
3.08-3.12  

Fracture
Uneven, Irregular, Conchoidal  
ConchoidalWalter Schumann  

Cleavage
{???} Indistinct  
{010} Perfect  

Mohs Hardness
7-7.5  
7.5  

Chemical Composition
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)  
BeAlSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references  

Optical Properties

Luster
Vitreous  
Vitreous  

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

Dispersion
0.02  
99+
0.02  
99+

Transparency
Transparent  
-  

Refractive Index
1.614-1.666  
1.650-1.677  

Optic Character
-  
-  

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

Birefringence
0.014-0.032  
0.019-0.025  

Clarity
Transparent  
TransparentUlrich Henn and Claudio C. Milisenda  

Benefits

Physical
  
  

Neurological
-  
Enhances mental clarity and focus  

Cardiovascular
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Respiratory
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Good  

Reproductive
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Digestive
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Psychology
Self-acceptance  
Harmony  

Healing
Emotional healing  
Emotional healing  

Qualities Associated
Self-Exploration  
Communication  

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Dravite Vs Euclase Fracture

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

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Dravite Vs Euclase Luster

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

Blue Gemstones

Blue Gemstones


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