Dioptase and Prase Opal Physical Properties

Dioptase

Prase Opal

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.351.98-2.25

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect in three directions

Not Available

1.7 Mohs Hardness

55-6.5

2 10

1.8 Chemical Composition

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

SiO 2 + H 2OUlrich Henn and Claudio C.

Dioptase and Prase Opal Chemical Formula

While comparing Dioptase and Prase 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 Dioptase and Prase Opal chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Green Gemstones

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Dioptase Vs Faustite

Dioptase Vs Feldspar

Dioptase and Prase Opal Specific Gravity

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