Diaspore and Povondraite Physical Properties

Diaspore

Povondraite

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1 Physical Properties

1.1 Tenacity

Very brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.403.26

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

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

1.6 Cleavage

{010} perfect, {110} distinct, {100} in traces

None

1.7 Mohs Hardness

6.5-7Not Available

2 10

1.8 Chemical Composition

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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

Diaspore and Povondraite Chemical Formula

While comparing Diaspore 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 Diaspore and Povondraite chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
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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Diaspore and Povondraite Specific Gravity

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