Anatase and Dioptase Physical Properties

Anatase

Dioptase

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.82-3.973.25-3.35

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect on [001] and [011]

Perfect in three directions

1.7 Mohs Hardness

5.5-65

2 10

1.8 Chemical Composition

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

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Anatase and Dioptase Chemical Formula

While comparing Anatase and Dioptase 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 Dioptase chemical formula.

Chemical formula of Anatase- TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Anatase and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anatase and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anatase and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Anatase is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.