Sellaite and Ammolite Physical Properties

Sellaite

Ammolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.14-3.16

2.75-2.80

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

Uneven, Granular

1.6 Cleavage

Perfect on {010} and {110}

no true cleavage

1.7 Mohs Hardness

5-5.5

1.8 Chemical Composition

MgF 2Ulrich Henn and Claudio C.

Not Available

Sellaite and Ammolite Chemical Formula

While comparing Sellaite and Ammolite 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 Sellaite and Ammolite chemical formula.

Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.

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Sellaite and Ammolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sellaite and Ammolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sellaite and Ammolite Optical Properties during the identification of gemstone. Specific gravity of Sellaite is 2.75-2.80 whereas that of Ammolite is 2.75-2.80.