Annabergite and Anglesite Physical Properties

Annabergite

Anglesite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.07

6.30-6.39

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

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

[001] good, [210] distinct

1.7 Mohs Hardness

3-3.5

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Annabergite and Anglesite Chemical Formula

While comparing Annabergite and Anglesite 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 Anglesite chemical formula.

Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Chemical formula of Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Annabergite and Anglesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Anglesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Anglesite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 6.30-6.39 whereas that of Anglesite is 6.30-6.39.