Cryolite and Annabergite Physical Properties

Cryolite

Annabergite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.973.07

1 7.18

1.5 Fracture

Uneven

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

None observed

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

1.7 Mohs Hardness

2.52

2 10

1.8 Chemical Composition

Na 3AlF 6Ulrich Henn and Claudio C.

Ni3(AsO4)2•8(H2O)

Cryolite and Annabergite Chemical Formula

While comparing Cryolite 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 Cryolite and Annabergite chemical formula.

Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.
Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)

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Cryolite and Annabergite Specific Gravity

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