Piemontite and Hemimorphite Physical Properties

Piemontite

Hemimorphite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.30-3.50

1 7.18

1.5 Fracture

Uneven, Splintery

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

1.6 Cleavage

[001] good, [100] distinct

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

1.7 Mohs Hardness

6-6.55

2 10

1.8 Chemical Composition

Not Available

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

Piemontite and Hemimorphite Chemical Formula

While comparing Piemontite 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 Piemontite and Hemimorphite chemical formula.

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

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Piemontite and Hemimorphite Specific Gravity

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