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Phenakite Vs Spinel


Spinel Vs Phenakite


Astrology

Origin
USA, Brazyl, Switzerland, Tanzania, Madagascar, Russia, Sri Lanka  
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia  

Color
Colorless, Yellow, pink, Red  
Blue, Violet, Colorless, Red, Green, Brown  

Streak
White  
White  

For which Rashi?
Not Available  
Sagittarius, Scorpio  

Planet
Not Available  
Pluto  

Element of Planets
Not Available  
Not Available  

Energy
Not Available  
Projective  

How to Wear?
  
  

Finger
Not Available  
Not Available  

Ring Metal
Not Available  
Not Available  

Deities
Not Available  
Hephaestus  

Not to wear with
Not Available  
Not Available  

Powers
Not Available  
Money  

Birthstone
  
  

Planetary
Not Available  
Not Available  

Talisman
Not Available  
Not Available  

Physical Properties

Tenacity
Brittle  
Not Available  

Solubility
Not Available  
none  

Durability
Not Available  
Not Available  

Specific Gravity
2.90-2.98  
3.64-3.66  

Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle  
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)  

Cleavage
Distinct on {11 2 0}, imperfect on {10 1 1}  
None, but may exhibit slight parting  

Mohs Hardness
7.5-8  
8  

Chemical Composition
Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references  
MgAl2O4  

Optical Properties

Luster
Vitreous  
Vitreous  

Pleochroism
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli  
Absent  

Dispersion
0.02  
24
0.02  
18

Transparency
Gemmological Tables (2004) More from other references  
Transparent, Translucent, Transparent to translucent  

Refractive Index
1.650-1.695  
1.73  

Optic Character
Not Available  
Not Available  

Crystal System
Trigonal  
Isometric  

Birefringence
0.016  
Not Available  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
TransparentUlrich Henn and Claudio C. Milisenda  

Benefits

Physical
  
  

Neurological
Not Available  
Not Available  

Cardiovascular
Not Available  
Not Available  

Respiratory
Not Available  
Not Available  

Reproductive
Not Available  
Not Available  

Digestive
Not Available  
Not Available  

Psychology
Not Available  
Not Available  

Healing
Not Available  
Not Available  

Qualities Associated
Not Available  
Not Available  

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Phenakite Vs Spinel Fracture

Fracture is an important parameter when you compare Phenakite and Spinel Physical Properties. It is necessary to understand the significance of these properties, before you compare Phenakite Vs Spinel 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 Phenakite is Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) and Brittle. Spinel fracture is Conchoidal, Uneven, ConchoidalArthur Thomas and Gemstones (2009).

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Phenakite Vs Spinel Luster

A primary knowledge about Phenakite vs Spinel 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. Phenakite exhibits Vitreous luster. Spinel, on other hand, exhibits Vitreous luster.

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Colorless Gems


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