Pyrope and Prase Opal Physical Properties

Pyrope

Prase Opal

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.62-3.87

1.98-2.25

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

7-7.5

5-6.5

1.8 Chemical Composition

Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

SiO 2 + H 2OUlrich Henn and Claudio C.

Pyrope and Prase Opal Chemical Formula

While comparing Pyrope 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 Pyrope and Prase Opal chemical formula.

Chemical formula of Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Red Gemstones

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Pyrope Vs Rubellite

Pyrope Vs Rock Crystal

Pyrope and Prase Opal Specific Gravity

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