Annabergite and Gaspeite Physical Properties

Annabergite

Gaspeite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

HCl soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.073.71

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

Uneven

1.6 Cleavage

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

{10 1 1} Good

1.7 Mohs Hardness

24.5-5

2 10

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

(Ni,Mg,Fe++)CO3

Annabergite and Gaspeite Chemical Formula

While comparing Annabergite and Gaspeite 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 Gaspeite chemical formula.

Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Chemical formula of Gaspeite- (Ni,Mg,Fe++)CO3

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Annabergite and Gaspeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Gaspeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Gaspeite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 3.71 whereas that of Gaspeite is 3.71.