Phlogopite and Prase Opal Physical Properties

Phlogopite

Prase Opal

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1 Physical Properties

1.1 Tenacity

Tough

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.851.98-2.25

1 7.18

1.5 Fracture

None, Uneven

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

1.6 Cleavage

Perfect basal (001)

Not Available

1.7 Mohs Hardness

2-2.55-6.5

2 10

1.8 Chemical Composition

Not Available

SiO 2 + H 2OUlrich Henn and Claudio C.

Phlogopite and Prase Opal Chemical Formula

While comparing Phlogopite 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 Phlogopite and Prase Opal chemical formula.

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

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Phlogopite and Prase Opal Specific Gravity

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