Povondraite and Rosasite Physical Properties

Povondraite

Rosasite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Effervesces in cold

1.3 Durability

Not Available

1.4 Specific Gravity

3.264-4.2

1 7.18

1.5 Fracture

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

Splintery

1.6 Cleavage

None

Perfect on {100} and {010}

1.7 Mohs Hardness

Not Available4

2 10

1.8 Chemical Composition

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

Not Available

Povondraite and Rosasite Chemical Formula

While comparing Povondraite and Rosasite 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 Rosasite chemical formula.

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

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Povondraite and Rosasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Povondraite and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Povondraite and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Povondraite is 4-4.2 whereas that of Rosasite is 4-4.2.