Demantoid Vs Onyx
Origin
Italy
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Streak
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For which Rashi?
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Capricorn
Planet
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Saturn
Element of Planets
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Energy
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Projective
Finger
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Ring Metal
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Deities
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Mars
Not to wear with
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Powers
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Protection
Planetary
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Talisman
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Capricorn
Tenacity
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Solubility
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Durability
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Specific Gravity
3.77-3.95
2.55-2.70
Fracture
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Cleavage
Not Available
Indiscernible
Chemical Composition
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
SiO2
Luster
Adamantine
Vitreous
Pleochroism
None
Not Available
Dispersion
Not Available
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Transparency
Gemmological Tables (2004)
Translucent, Opaque, Translucent to opaque
Refractive Index
1.880-1.890
1.530-1.543
Optic Character
Not Available
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Crystal System
cubic
Trigonal
Birefringence
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Clarity
TransparentUlrich Henn and Claudio C. Milisenda
OpaqueHerve Nicolas Lazzarelli
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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Demantoid Vs Onyx Fracture
Fracture is an important parameter when you compare Demantoid and Onyx Physical Properties. It is necessary to understand the significance of these properties, before you compare Demantoid Vs Onyx 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.
Demantoid Vs Onyx Luster
A primary knowledge about Demantoid vs Onyx 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. Demantoid exhibits Adamantine luster. Onyx, on other hand, exhibits Vitreous luster.