Prase Opal and Chromite Physical Properties

Prase Opal

Chromite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.98-2.254.5-4.8

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Not Available

None, parting may develop along {111}

1.7 Mohs Hardness

5-6.55.5

2 10

1.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

Fe++Cr2O4

Prase Opal and Chromite Chemical Formula

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

Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Chemical formula of Chromite- Fe++Cr2O4

Compare Blue Gemstones

Prase Opal Vs Sapphire

Prase Opal Vs Sanidine

Prase Opal Vs Sard

Prase Opal and Chromite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prase Opal and Chromite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prase Opal and Chromite Optical Properties during the identification of gemstone. Specific gravity of Prase Opal is 4.5-4.8 whereas that of Chromite is 4.5-4.8.