Idocrase and Sellaite Physical Properties

Idocrase

Sellaite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.14-3.16

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

Perfect on {010} and {110}

1.7 Mohs Hardness

Not Available5-5.5

2 10

1.8 Chemical Composition

Not Available

MgF 2Ulrich Henn and Claudio C.

Idocrase and Sellaite Chemical Formula

While comparing Idocrase and Sellaite 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 Idocrase and Sellaite chemical formula.

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

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Idocrase and Sellaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Idocrase and Sellaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Idocrase and Sellaite Optical Properties during the identification of gemstone. Specific gravity of Idocrase is 3.14-3.16 whereas that of Sellaite is 3.14-3.16.