Annabergite and Heliotrope Physical Properties

Annabergite

Heliotrope

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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

3.072.61

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

26.5-7

2 10

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

Not Available

Annabergite and Heliotrope Chemical Formula

While comparing Annabergite and Heliotrope 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 Heliotrope chemical formula.

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

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Annabergite and Heliotrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Heliotrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Heliotrope Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 2.61 whereas that of Heliotrope is 2.61.