Chrysoberyl and Andalusite Physical Properties

Chrysoberyl

Andalusite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.69-3.813.05-3.21

1 7.18

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Fracture

Uneven, Conchoidal to uneven, ConchoidalWalter Schumann

Uneven, Subconchoidal, Splintery

Cleavage

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

Good on {110}, poor on {100}

Mohs Hardness

8.57.5

2 10

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Chemical Composition

BeAl ₂ O ₄

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Chrysoberyl and Andalusite Chemical Formula

While comparing Chrysoberyl and Andalusite 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 Andalusite chemical formula.

Chemical formula of Chrysoberyl- BeAl ₂ O ₄
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Green Gemstones

Chrysoberyl Vs Datolite

Chrysoberyl Vs Demantoid

Chrysoberyl Vs Dioptase

Chrysoberyl and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoberyl and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoberyl and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.