Sellaite and Adularia Physical Properties

Sellaite

Adularia

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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

3.14-3.162.54-2.61

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect on {010} and {110}

Not Available

1.7 Mohs Hardness

5-5.56

2 10

1.8 Chemical Composition

MgF 2Ulrich Henn and Claudio C.

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Sellaite and Adularia Chemical Formula

While comparing Sellaite and Adularia 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 Adularia chemical formula.

Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.
Chemical formula of Adularia- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Sellaite and Adularia Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sellaite and Adularia Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sellaite and Adularia Optical Properties during the identification of gemstone. Specific gravity of Sellaite is 2.54-2.61 whereas that of Adularia is 2.54-2.61.