Realgar Vs Precious Opal
Origin
Southern and central Africa
Australia
Color
Red, Yellow, orange
Yellow, Green, Blue
Streak
orange
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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
Not Available
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Specific Gravity
3.56
1.98-2.25
Fracture
(e.g. graphite).
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
Cleavage
{010} Good
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Mohs Hardness
Not Available
5-6.5
Chemical Composition
AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
SiO 2 · nH 2OGemdat.org , Management Team (2012)
Luster
Not Available
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Pleochroism
Nearly colorless to pale golden yellowAnthony et al
AbsentWalter Schumann
Dispersion
Not Available
None
Transparency
Gems
Transparent, Translucent
Refractive Index
2.538-2.704
1.370-1.470
Optic Character
Not Available
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Crystal System
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Birefringence
0.166
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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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Realgar Vs Precious Opal Fracture
Fracture is an important parameter when you compare Realgar and Precious Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Realgar Vs Precious 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. Fracture observed in Realgar is (e.g. graphite).. Precious Opal fracture is Conchoidal, Conchoidal and Gemstones of the world (2001) More from other references.
Realgar Vs Precious Opal Luster
A primary knowledge about Realgar vs Precious 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.