Annabergite and Barite Physical Properties

Annabergite

Barite

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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

3.074.48

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

Uneven

1.6 Cleavage

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

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

1.7 Mohs Hardness

23-3.5

2 10

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

BaSO4

Annabergite and Barite Chemical Formula

While comparing Annabergite and Barite 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 Barite chemical formula.

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

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Annabergite and Barite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Barite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Barite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 4.48 whereas that of Barite is 4.48.