Precious Opal Vs Poldervaartite
Origin
Australia
Southern and central Africa
Color
Yellow, Green, Blue
Colorless, White
Streak
Not Available
White
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Not Available
Deities
Not Available
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Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Planetary
Not Available
Not Available
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
2.91
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
Handbook of mineralogy (2001)
Cleavage
Not Available
None
Mohs Hardness
5-6.5
Not Available
Chemical Composition
SiO 2 · nH 2OGemdat.org , Management Team (2012)
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Luster
Not Available
Vitreous
Pleochroism
AbsentWalter Schumann
Weak: colorless light gray bluish grayAnthony et al
Dispersion
None
Not Available
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.370-1.470
1.634-1.656
Optic Character
Not Available
Not Available
Crystal System
Not Available
Not Available
Birefringence
Not Available
Not Available
Clarity
Transparent
Transparent
Neurological
Not Available
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Cardiovascular
Not Available
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Respiratory
Not Available
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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
Not Available
Qualities Associated
Not Available
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Precious Opal Vs Poldervaartite Fracture
Fracture is an important parameter when you compare Precious Opal and Poldervaartite Physical Properties. It is necessary to understand the significance of these properties, before you compare Precious Opal Vs Poldervaartite 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. Poldervaartite fracture is Handbook of mineralogy (2001).
Precious Opal Vs Poldervaartite Luster
A primary knowledge about Precious Opal vs Poldervaartite 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. Poldervaartite, on other hand, exhibits Vitreous luster.