Chrysoberyl and Spinel Physical Properties

Chrysoberyl

Spinel

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.813.64-3.66

1 7.18

1.5 Fracture

Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

None, but may exhibit slight parting

1.7 Mohs Hardness

8.58

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

MgAl₂O₄

Chrysoberyl and Spinel Chemical Formula

While comparing Chrysoberyl and Spinel 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 Spinel chemical formula.

Chemical formula of Chrysoberyl- BeAl ₂ O ₄
Chemical formula of Spinel- MgAl₂O₄

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Chrysoberyl and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoberyl and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoberyl and Spinel Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 3.64-3.66 whereas that of Spinel is 3.64-3.66.