London blue topaz Vs Cassiterite
Origin
Not Available
Sri Lanka
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Brown, Brownish, Black, Colorless, Green, gray
Streak
Not Available
White, Brownish, Brownish, White
For which Rashi?
Not Available
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Planet
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Element of Planets
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Finger
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Ring Metal
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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
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Tenacity
Not Available
Brittle
Solubility
Not Available
insoluble
Durability
Not Available
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Specific Gravity
Not Available
6.86-7.03
Fracture
Not Available
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
Cleavage
Not Available
{100} imperfect, {110} indistinct; partings on {111} or {011}
Mohs Hardness
Not Available
6-7
Chemical Composition
Not Available
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Not Available
Adamantine, Greasy
Pleochroism
Not Available
Pleochroic haloes have been observed. Dichroic in yellow
Transparency
Not Available
Transparent, Translucent
Refractive Index
Not Available
1.990-2.105
Optic Character
Not Available
Not Available
Crystal System
Not Available
tetragonal
Birefringence
Not Available
0.096-0.098
Clarity
Not Available
Transparent
Neurological
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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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London blue topaz Vs Cassiterite Fracture
Fracture is an important parameter when you compare London blue topaz and Cassiterite Physical Properties. It is necessary to understand the significance of these properties, before you compare London blue topaz Vs Cassiterite 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. Cassiterite fracture is ConchoidalArthur Thomas, Gemstones (2009), Irregular, Subconchoidal and Uneven.
London blue topaz Vs Cassiterite Luster
A primary knowledge about London blue topaz vs Cassiterite 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. Cassiterite, on other hand, exhibits Adamantine and Greasy luster.