London blue topaz Vs Sphalerite
Origin
Not Available
Mexico, USA, Spain
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Green, Brown, Yellow, Red, Black
Streak
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Brownish, White
For which Rashi?
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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
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Solubility
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Durability
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Specific Gravity
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3.95-4.10
Fracture
Not Available
UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven
Cleavage
Not Available
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
Not Available
3.5-4
Chemical Composition
Not Available
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
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Adamantine
Pleochroism
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AbsentWalter Schumann
Transparency
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Transparent, Translucent
Refractive Index
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2.368-2.371
Optic Character
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Crystal System
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Isometric
Birefringence
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Clarity
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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 Sphalerite Fracture
Fracture is an important parameter when you compare London blue topaz and Sphalerite Physical Properties. It is necessary to understand the significance of these properties, before you compare London blue topaz Vs Sphalerite 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. Sphalerite fracture is Gemstones of the world (2001) More from other references, Gemstones of the world (2001) More from other references, Uneven, UnevenWalter Schumann and UnevenWalter Schumann.
London blue topaz Vs Sphalerite Luster
A primary knowledge about London blue topaz vs Sphalerite 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. Sphalerite, on other hand, exhibits Adamantine luster.