Tanzanite and Diaspore Physical Properties

Tanzanite

Diaspore

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1 Physical Properties

1.1 Tenacity

Not Available

Very brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

3.353.30-3.40

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Perfect {010}, imperfect {100}

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

1.7 Mohs Hardness

6.5-76.5-7

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Tanzanite and Diaspore Chemical Formula

While comparing Tanzanite 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 Tanzanite and Diaspore chemical formula.

Chemical formula of Tanzanite- 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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Tanzanite and Diaspore Specific Gravity

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