Anatase and Precious Opal Physical Properties

Anatase

Precious Opal

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.82-3.971.98-2.25

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references

1.6 Cleavage

Perfect on [001] and [011]

Not Available

1.7 Mohs Hardness

5.5-65-6.5

2 10

1.8 Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Anatase and Precious Opal Chemical Formula

While comparing Anatase and Precious 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 Anatase and Precious Opal chemical formula.

Chemical formula of Anatase- TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

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Anatase and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anatase and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anatase and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Anatase is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.