Annabergite and Fluorite Physical Properties

Annabergite

Fluorite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

slightly water soluble and in hot hydrochloric acid

1.3 Durability

Not Available

1.4 Specific Gravity

3.073.00-3.25

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

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

Octahedral, perfect on {111}, parting on {011}

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

CaF₂

Annabergite and Fluorite Chemical Formula

While comparing Annabergite and Fluorite 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 Fluorite chemical formula.

Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Chemical formula of Fluorite- CaF₂

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Annabergite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.