Pearl and Prase Opal Physical Properties

Pearl

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

2.60-2.85

1.98-2.25

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

none

Not Available

1.7 Mohs Hardness

2.5-4.5

5-6.5

1.8 Chemical Composition

Not Available

SiO 2 + H 2OUlrich Henn and Claudio C.

Pearl and Prase Opal Chemical Formula

While comparing Pearl 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 Pearl and Prase Opal chemical formula.

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

Compare Blue Gemstones

Pearl Vs Precious Opal

Pearl Vs Prase Opal

Pearl Vs Prase

Pearl and Prase Opal Specific Gravity

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