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Brookite Vs Povondraite


Povondraite Vs Brookite


Astrology

Origin
Russia  
-  

Color
Red, Reddish, Brown, Black, orange  
Brownish, Black  

Streak
White  
Brown  

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
Brittle  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
3.87-4.14  
3.26  

Fracture
Subconchoidal, Conchoidal  
Uneven  

Cleavage
Poor on {120}, in traces on {001}  
None  

Mohs Hardness
5.5-6  
-9999  

Chemical Composition
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references  
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)  

Optical Properties

Luster
Adamantine  
Resinous  

Pleochroism
Very weak  
Strong: yellow-brown  

Dispersion
0.20  
7
0.02  
99+

Transparency
-  
Translucent  

Refractive Index
2.583-2.741  
-9999  

Optic Character
-  
-  

Crystal System
Orthorhombic  
-  

Birefringence
0.117  
-9999  

Clarity
-  
Translucent  

Benefits

Physical
  
  

Neurological
-  
-  

Cardiovascular
-  
-  

Respiratory
-  
-  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
Transformation  
-  

Healing
Emotional healing  
-  

Qualities Associated
Transformation  
Protection  

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Brookite Vs Povondraite Fracture

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

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Brookite Vs Povondraite Luster

A primary knowledge about Brookite vs Povondraite 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. Brookite exhibits Adamantine luster. Povondraite, on other hand, exhibits Resinous luster.

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Red Gemstones


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