Prase Opal and Poldervaartite Physical Properties

Prase Opal

Poldervaartite

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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

1.98-2.25

2.91

1.5 Fracture

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

Handbook of mineralogy (2001)

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

5-6.5

Not Available

1.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Prase Opal and Poldervaartite Chemical Formula

While comparing Prase Opal and Poldervaartite 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 Poldervaartite chemical formula.

Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Compare Blue Gemstones

Prase Opal Vs Sapphire

Prase Opal Vs Sanidine

Prase Opal Vs Sard

Prase Opal and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prase Opal and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prase Opal and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Prase Opal is 2.91 whereas that of Poldervaartite is 2.91.