Anatase and Onyx Physical Properties

Anatase

Onyx

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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

3.82-3.972.55-2.70

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect on [001] and [011]

Indiscernible

1.7 Mohs Hardness

5.5-66.5-7

2 10

1.8 Chemical Composition

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

SiO₂

Anatase and Onyx Chemical Formula

While comparing Anatase and Onyx 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 Onyx chemical formula.

Chemical formula of Anatase- TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Onyx- SiO₂

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Anatase and Onyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anatase and Onyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anatase and Onyx Optical Properties during the identification of gemstone. Specific gravity of Anatase is 2.55-2.70 whereas that of Onyx is 2.55-2.70.