Agate Opal and Dioptase Physical Properties

Agate Opal

Dioptase

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

1.98-2.503.25-3.35

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

Perfect in three directions

1.7 Mohs Hardness

5.5-6.55

2 10

1.8 Chemical Composition

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

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

Agate Opal and Dioptase Chemical Formula

While comparing Agate Opal 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 Agate Opal and Dioptase chemical formula.

Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems Found In Africa

Agate Opal Vs Anorthite

Agate Opal Vs Anorthoclase

Agate Opal Vs Anthophyllite

Agate Opal and Dioptase Specific Gravity

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