Fuchsite and Annabergite Physical Properties

Fuchsite

Annabergite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.77-2.883.07

1 7.18

1.5 Fracture

Uneven

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect basal

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

1.7 Mohs Hardness

2.52

2 10

1.8 Chemical Composition

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

Ni3(AsO4)2•8(H2O)

Fuchsite and Annabergite Chemical Formula

While comparing Fuchsite 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 Fuchsite and Annabergite chemical formula.

Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)

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Fuchsite and Annabergite Specific Gravity

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