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Pearl
Pearl

White Opal
White Opal



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Pearl
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White Opal

Pearl and White Opal Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.60-2.851.98-2.50
Amber
1 7.18
1.5 Fracture
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
Conchoidal, Conchoidal, Gemstones of the world (2001)
1.6 Cleavage
none
Not Available
1.7 Mohs Hardness
2.5-4.55.5-6.5
Amber
2 10
1.8 Chemical Composition
Not Available
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Pearl and White Opal Chemical Formula

While comparing Pearl and White Opal physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Pearl and White Opal chemical formula.

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  • Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Pearl and White Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pearl and White Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and White Opal Optical Properties during the identification of gemstone. Specific gravity of Pearl is 1.98-2.50 whereas that of White Opal is 1.98-2.50.