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Spinel Vs Danburite


Danburite Vs Spinel


Astrology

Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia   
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Color: colorless, light yellow, light pink, Hardness: 7, Refractive index: 1.63 1.64, Density: 2.98 3.03, Chemical composition: Ca(B2Si2O8), Crystal structure: orthorhombic, Origins: USA, Mexico, Brazil, Germany, Switzerland, Sri Lanka, Burma, Madagascar, Japan. Colorless danburites are common, with light pink or yellowish stones being more rare and expensive. Only eye clean pieces are valuable.   

Color
Blue, Violet, Colorless, Red, Green, Brown   
Yellow, Brown, Colorless, White, gray, Brownish, Yellow   

Streak
White   
White   

For which Rashi?
Sagittarius, Scorpio, Sagittarius, Scorpio, Sagittarius, Scorpio   
Not Available   

Planet
Pluto   
Not Available   

Element of Planets
Not Available   
Not Available   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Projective   
Not Available   

Deities
Hephaestus   
Not Available   

Not to wear with
Not Available   
Not Available   

Powers
Money   
Not Available   

Birthstone
  
  

Planetary
Not Available   
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Talisman
Not Available   
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Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
none   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.64-3.66   
2.97-3.03   

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

Cleavage
None, but may exhibit slight parting   
{001} Poor   

Mohs Hardness
8   
7   

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

Optical Properties

Luster
Vitreous   
Vitreous, Greasy   

Pleochroism
Absent   
Weak: pale yellow yellow   

Dispersion
0.02   
18
0.02   
22

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

Refractive Index
1.73   
1.627-1.639   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Isometric   
Orthorhombic   

Birefringence
Not Available   
0.006   

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

Benefits

Physical
  
  

Neurological
Not Available   
Not Available   

Cardiovascular
Not Available   
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Respiratory
Not Available   
Not Available   

Reproductive
Not Available   
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Digestive
Not Available   
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Psychology
Not Available   
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Healing
Not Available   
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Qualities Associated
Not Available   
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Spinel Vs Danburite Fracture

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

Compare Gems for Scorpio

Spinel Vs Danburite Luster

A primary knowledge about Spinel vs Danburite 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. Spinel exhibits Vitreous luster. Danburite, on other hand, exhibits Greasy and Vitreous luster.

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