Blue John Vs Kornerupine
Origin
Not Available
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Green, Brown, Colorless, Greenish, Yellow
Streak
Not Available
White
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
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Finger
Not Available
Not Available
Ring Metal
Not Available
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Energy
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Deities
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Not to wear with
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Powers
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Planetary
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Talisman
Not Available
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Tenacity
Not Available
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Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.00-3.25
3.25-3.45
Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
Cleavage
Not Available
Good on {110}
Mohs Hardness
Not Available
6.5
Chemical Composition
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Not Available
Vitreous
Pleochroism
Not Available
X = colorless to green; Y = colorless
Transparency
Transparent
Gemmological Tables (2004) More from other references
Refractive Index
1.432-1.436
1.660-1.685
Optic Character
Not Available
Not Available
Crystal System
Not Available
Orthorhombic
Birefringence
Not Available
0.012-0.017
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Not Available
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Cardiovascular
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Respiratory
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Reproductive
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Digestive
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Psychology
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Healing
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Qualities Associated
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Blue John Vs Kornerupine Fracture
Fracture is an important parameter when you compare Blue John and Kornerupine Physical Properties. It is necessary to understand the significance of these properties, before you compare Blue John Vs Kornerupine 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. Kornerupine fracture is Brittle, ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009), Gemstones (2009) and Uneven.
Blue John Vs Kornerupine Luster
A primary knowledge about Blue John vs Kornerupine 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. Kornerupine, on other hand, exhibits Vitreous luster.