Verdite and Prase Opal Physical Properties

Verdite

Prase Opal

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-3.01.98-2.25

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{110} Good

Not Available

1.7 Mohs Hardness

35-6.5

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

SiO 2 + H 2OUlrich Henn and Claudio C.

Verdite and Prase Opal Chemical Formula

While comparing Verdite 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 Verdite and Prase Opal chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Verdite and Prase Opal Specific Gravity

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