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Hollandite Vs Sard


Sard Vs Hollandite


Astrology

Origin
-  
Southern and central Africa  

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

Streak
Black  
-  

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
-  
-  

Durability
-  
-  

Specific Gravity
5.05  
2.58-2.63  

Fracture
-  
Conchoidal  

Cleavage
Distinct / Good, Prismatic  
None  

Mohs Hardness
4-6  
6.5-7  

Chemical Composition
Ba(Mn++++,Mn++)8O16  
SiO 2Ulrich Henn and Claudio C.  

Optical Properties

Luster
-  
Waxy  

Pleochroism
Weak.  
-  

Dispersion
0.03  
99+
0.01  
99+

Transparency
-  
Translucent  

Refractive Index
-9999  
1.535-1.539  

Optic Character
-  
-  

Crystal System
monoclinic  
-  

Birefringence
-9999  
0.008-0.010  

Clarity
-  
Translucent  

Benefits

Physical
  
  

Neurological
Enhances mental clarity and focus  
-  

Cardiovascular
-  
-  

Respiratory
Poor  
-  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
Transformation  
Strength  

Healing
Emotional healing  
Emotional healing  

Qualities Associated
Transformation  
Protection  

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Hollandite Vs Sard Fracture

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

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Hollandite Vs Sard Luster

A primary knowledge about Hollandite vs Sard 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. Sard, on other hand, exhibits Waxy luster.

Grey Gemstones

Grey Gemstones


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