Sard and Povondraite Physical Properties

Sard

Povondraite

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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

2.58-2.633.26

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

6.5-7Not Available

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sard and Povondraite Chemical Formula

While comparing Sard and Povondraite 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 Sard and Povondraite chemical formula.

Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Povondraite- NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

Compare Blue Gemstones

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Sard and Povondraite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sard and Povondraite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sard and Povondraite Optical Properties during the identification of gemstone. Specific gravity of Sard is 3.26 whereas that of Povondraite is 3.26.