Hematite Vs London blue topaz
Origin
Southern and central Africa
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Color
Black, Reddish, gray, Red
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
Black, Brown, Reddish, Red
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For which Rashi?
Aries, Aquarius, Aries, Aquarius, Aries, Aquarius
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Planet
Saturn
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Element of Planets
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Finger
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Ring Metal
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Energy
Projective
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Deities
Mars
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Not to wear with
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Powers
Healing
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Planetary
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Talisman
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Tenacity
Brittle
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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
5.00-5.30
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Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
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Cleavage
None, may show partings on {0001} and {10 1 1}
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Mohs Hardness
6
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Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
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Luster
Not Available
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Pleochroism
O = brownish red; E = yellowish red
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Dispersion
Not Available
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Transparency
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
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Refractive Index
2.690-3.220
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Optic Character
Not Available
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Crystal System
Trigonal
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Birefringence
0.280
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Clarity
OpaqueHerve Nicolas Lazzarelli
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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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Hematite Vs London blue topaz Fracture
Fracture is an important parameter when you compare Hematite and London blue topaz Physical Properties. It is necessary to understand the significance of these properties, before you compare Hematite Vs London blue topaz 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 Hematite is Brittle, Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Uneven and Uneven.
Hematite Vs London blue topaz Luster
A primary knowledge about Hematite vs London blue topaz 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.