Phlogopite and Diaspore Physical Properties

Phlogopite

Diaspore

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1 Physical Properties

1.1 Tenacity

Tough

Very brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.853.30-3.40

1 7.18

1.5 Fracture

None, Uneven

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Perfect basal (001)

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

1.7 Mohs Hardness

2-2.56.5-7

2 10

1.8 Chemical Composition

Not Available

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

Phlogopite and Diaspore Chemical Formula

While comparing Phlogopite 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 Phlogopite 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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Phlogopite and Diaspore Specific Gravity

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