Diaspore and Hemimorphite Physical Properties

Diaspore

Hemimorphite

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1 Physical Properties

1.1 Tenacity

Very brittle

Brittle

1.2 Solubility

insoluble

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.403.30-3.50

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

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

Perfect on {110}, poor on {101}, {001} rare

1.7 Mohs Hardness

6.5-75

2 10

1.8 Chemical Composition

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

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Diaspore and Hemimorphite Chemical Formula

While comparing Diaspore and Hemimorphite 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 Hemimorphite chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Diaspore and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diaspore and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diaspore and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Diaspore is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.