Hemimorphite and Annabergite Physical Properties

Hemimorphite

Annabergite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.503.07

1 7.18

1.5 Fracture

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

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

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

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

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

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

Ni3(AsO4)2•8(H2O)

Hemimorphite and Annabergite Chemical Formula

While comparing Hemimorphite and Annabergite 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 Hemimorphite and Annabergite chemical formula.

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

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Hemimorphite and Annabergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hemimorphite and Annabergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Annabergite Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 3.07 whereas that of Annabergite is 3.07.