Thulite and Diaspore Physical Properties

Thulite

Diaspore

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1 Physical Properties

1.1 Tenacity

Not Available

Very brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.13.30-3.40

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Perfect {010} imperfect {100}

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

1.7 Mohs Hardness

6-76.5-7

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Thulite and Diaspore Chemical Formula

While comparing Thulite 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 Thulite and Diaspore chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Thulite and Diaspore Specific Gravity

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