Onyx Vs Fire Opal
Streak
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For which Rashi?
Capricorn
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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
Protection
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Planetary
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Talisman
Capricorn
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Tenacity
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Solubility
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Durability
Not Available
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Specific Gravity
2.55-2.70
1.97-2.22
Fracture
Not Available
Conchoidal, Conchoidal, Gemstones of the world (2001)
Cleavage
Indiscernible
Not Available
Mohs Hardness
6.5-7
6-6.5
Chemical Composition
SiO2
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Not Available
Pleochroism
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AbsentWalter Schumann
Dispersion
Not Available
None
Transparency
Translucent, Opaque, Translucent to opaque
Transparent, Translucent
Refractive Index
1.530-1.543
1.370-1.470
Optic Character
Not Available
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Crystal System
Trigonal
Amorphous
Birefringence
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Clarity
OpaqueHerve Nicolas Lazzarelli
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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Onyx Vs Fire Opal Fracture
Fracture is an important parameter when you compare Onyx and Fire Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Onyx Vs Fire Opal 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. Fire Opal fracture is Conchoidal, Conchoidal and Gemstones of the world (2001).
Onyx Vs Fire Opal Luster
A primary knowledge about Onyx vs Fire Opal 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. Onyx exhibits Vitreous luster.