White Opal and Sinhalite Physical Properties

White Opal

Sinhalite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.98-2.503.46-3.50

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Not Available

1.7 Mohs Hardness

5.5-6.56-7

2 10

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

White Opal and Sinhalite Chemical Formula

While comparing White Opal and Sinhalite 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 White Opal and Sinhalite chemical formula.

Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Sinhalite- MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

White Opal Vs Idocrase

White Opal Vs Iolite

White Opal Vs Kyanite

White Opal and Sinhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is White Opal and Sinhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use White Opal and Sinhalite Optical Properties during the identification of gemstone. Specific gravity of White Opal is 3.46-3.50 whereas that of Sinhalite is 3.46-3.50.