Rosasite and Povondraite Physical Properties

Rosasite

Povondraite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.23.26

1 7.18

1.5 Fracture

Splintery

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

1.6 Cleavage

Perfect on {100} and {010}

None

1.7 Mohs Hardness

4Not Available

2 10

1.8 Chemical Composition

Not Available

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

Rosasite and Povondraite Chemical Formula

While comparing Rosasite 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 Rosasite and Povondraite 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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Rosasite and Povondraite Specific Gravity

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