Annabergite and Cymophane Physical Properties

Annabergite

Cymophane

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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

3.073.69-3.81

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

28.5

2 10

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

BeAl 2O 4Arthur Thomas , Gemstones (2009)

Annabergite and Cymophane Chemical Formula

While comparing Annabergite and Cymophane 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 Cymophane chemical formula.

Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Chemical formula of Cymophane- BeAl 2O 4Arthur Thomas , Gemstones (2009)

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Annabergite and Cymophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Cymophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Cymophane Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 3.69-3.81 whereas that of Cymophane is 3.69-3.81.