Chrysoberyl and Sellaite Physical Properties

Chrysoberyl

Sellaite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.69-3.813.14-3.16

1 7.18

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Fracture

Uneven, Conchoidal to uneven, ConchoidalWalter Schumann

Conchoidal

Cleavage

Distinct on {110}, imperfect on {010}, poor on {001}

Perfect on {010} and {110}

Mohs Hardness

8.55-5.5

2 10

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Chemical Composition

BeAl ₂ O ₄

MgF 2Ulrich Henn and Claudio C.

Chrysoberyl and Sellaite Chemical Formula

While comparing Chrysoberyl 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 Chrysoberyl and Sellaite chemical formula.

Chemical formula of Chrysoberyl- BeAl ₂ O ₄
Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.

Compare Green Gemstones

Chrysoberyl Vs Datolite

Chrysoberyl Vs Demantoid

Chrysoberyl Vs Dioptase

Chrysoberyl and Sellaite Specific Gravity

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