Barite and Annabergite Physical Properties

Barite

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

4.483.07

1 7.18

1.6 Fracture

Uneven

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.7 Cleavage

{010} Perfect, {210} Perfect, {010} Imperfect

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

1.8 Mohs Hardness

3-3.52

2 10

1.9 Chemical Composition

BaSO4

Ni3(AsO4)2•8(H2O)

Barite and Annabergite Chemical Formula

While comparing Barite 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 Barite and Annabergite chemical formula.

Chemical formula of Barite- BaSO4
Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)

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Barite and Annabergite Specific Gravity

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