Povondraite and Chrysoprase Physical Properties

Povondraite

Chrysoprase

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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

3.262.58-2.64

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

Gems, Sixth Edition (2006)

1.6 Cleavage

None

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

SiO₂ (with a high level of nickel impurities )

Povondraite and Chrysoprase Chemical Formula

While comparing Povondraite and Chrysoprase 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 Povondraite and Chrysoprase chemical formula.

Chemical formula of Povondraite- NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )

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Povondraite and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Povondraite and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Povondraite and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Povondraite is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.