Rosasite and Diaspore Physical Properties

Rosasite

Diaspore

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1 Physical Properties

1.1 Tenacity

Brittle

Very brittle

1.2 Solubility

Effervesces in cold

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.23.30-3.40

1 7.18

1.5 Fracture

Splintery

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Perfect on {100} and {010}

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

1.7 Mohs Hardness

46.5-7

2 10

1.8 Chemical Composition

Not Available

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

Rosasite and Diaspore Chemical Formula

While comparing Rosasite and Diaspore 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 Diaspore chemical formula.

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

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Rosasite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rosasite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rosasite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Rosasite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.