Povondraite and Iolite Physical Properties

Povondraite

Iolite

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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

3.262.6-2.7

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

None

3,1

1.7 Mohs Hardness

Not Available7-7.5

2 10

1.8 Chemical Composition

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

Mg₂Al₄Si₅O₁₈

Povondraite and Iolite Chemical Formula

While comparing Povondraite and Iolite 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 Iolite 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 Iolite- Mg₂Al₄Si₅O₁₈

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Povondraite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Povondraite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Povondraite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Povondraite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.