Diaspore and Willemite Physical Properties

Diaspore

Willemite

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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

3.30-3.403.89-4.18

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

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

{0001}, {11 2 0} imperfect

1.7 Mohs Hardness

6.5-75.5

2 10

1.8 Chemical Composition

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

Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Diaspore and Willemite Chemical Formula

While comparing Diaspore and Willemite 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 Willemite chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Diaspore and Willemite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diaspore and Willemite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diaspore and Willemite Optical Properties during the identification of gemstone. Specific gravity of Diaspore is 3.89-4.18 whereas that of Willemite is 3.89-4.18.