Demantoid Vs Precious Opal
Color
Green
Yellow, Green, Blue
Streak
Not Available
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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
Not Available
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Durability
Not Available
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Specific Gravity
3.77-3.95
1.98-2.25
Fracture
Not Available
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
Cleavage
Not Available
Not Available
Chemical Composition
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
SiO 2 · nH 2OGemdat.org , Management Team (2012)
Luster
Adamantine
Not Available
Pleochroism
None
AbsentWalter Schumann
Dispersion
Not Available
None
Transparency
Gemmological Tables (2004)
Transparent, Translucent
Refractive Index
1.880-1.890
1.370-1.470
Optic Character
Not Available
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Crystal System
cubic
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Birefringence
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Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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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Demantoid Vs Precious Opal Fracture
Fracture is an important parameter when you compare Demantoid and Precious Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Demantoid 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. Precious Opal fracture is Conchoidal, Conchoidal and Gemstones of the world (2001) More from other references.
Demantoid Vs Precious Opal Luster
A primary knowledge about Demantoid 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. Demantoid exhibits Adamantine luster.