Annabergite and Hemimorphite Physical Properties

Annabergite

Hemimorphite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.073.30-3.50

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

Perfect on {010}, indistinct on {100} and {102}

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

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

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

Annabergite and Hemimorphite Chemical Formula

While comparing Annabergite 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 Annabergite and Hemimorphite chemical formula.

Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Annabergite and Hemimorphite Specific Gravity

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