Anatase and Black Opal Physical Properties

Anatase

Black Opal

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.82-3.971.97-2.22

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on [001] and [011]

Not Available

1.7 Mohs Hardness

5.5-66-6.5

2 10

1.8 Chemical Composition

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

SiO 2 + H 2OUlrich Henn and Claudio C.

Anatase and Black Opal Chemical Formula

While comparing Anatase and Black 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 Black Opal chemical formula.

Chemical formula of Anatase- TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Blue Gemstones

Anatase Vs Azurite

Anatase Vs Aquamarine

Anatase Vs Azurmalachite

Anatase and Black Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anatase and Black Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anatase and Black Opal Optical Properties during the identification of gemstone. Specific gravity of Anatase is 1.97-2.22 whereas that of Black Opal is 1.97-2.22.