Precious Opal Vs Chrome-Chalcedony
Origin
Australia
Southern and central Africa
Color
Yellow, Green, Blue
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
Not Available
Not Available
For which Rashi?
Not Available
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Planet
Not Available
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Element of Planets
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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Energy
Not Available
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Deities
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Not to wear with
Not Available
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Powers
Not Available
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Planetary
Not Available
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Talisman
Not Available
Not Available
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.98-2.25
2.55-2.70
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
Not Available
Cleavage
Not Available
Not Available
Mohs Hardness
5-6.5
6.5-7
Chemical Composition
SiO 2 · nH 2OGemdat.org , Management Team (2012)
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Luster
Not Available
Waxy
Pleochroism
AbsentWalter Schumann
Not Available
Dispersion
None
Not Available
Transparency
Transparent, Translucent
Translucent
Refractive Index
1.370-1.470
1.530-1.543
Optic Character
Not Available
Not Available
Crystal System
Not Available
Not Available
Birefringence
Not Available
0.003-0.009
Clarity
Transparent
Translucent
Neurological
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Cardiovascular
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Respiratory
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Reproductive
Not Available
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Digestive
Not Available
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Psychology
Not Available
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Healing
Not Available
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Qualities Associated
Not Available
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Precious Opal Vs Chrome-Chalcedony Fracture
Fracture is an important parameter when you compare Precious Opal and Chrome-Chalcedony Physical Properties. It is necessary to understand the significance of these properties, before you compare Precious Opal Vs Chrome-Chalcedony 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 Precious Opal is Conchoidal, Conchoidal and Gemstones of the world (2001) More from other references.
Precious Opal Vs Chrome-Chalcedony Luster
A primary knowledge about Precious Opal vs Chrome-Chalcedony 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. Chrome-Chalcedony, on other hand, exhibits Waxy luster.