Chrysoberyl and Papagoite Physical Properties

Chrysoberyl

Papagoite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.69-3.813.25

1 7.18

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Fracture

Uneven, Conchoidal to uneven, ConchoidalWalter Schumann

Cleavage

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

Imperfect in one direction

Mohs Hardness

8.55-5.5

2 10

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Chemical Composition

BeAl ₂ O ₄

CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Chrysoberyl and Papagoite Chemical Formula

While comparing Chrysoberyl and Papagoite 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 Papagoite chemical formula.

Chemical formula of Chrysoberyl- BeAl ₂ O ₄
Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Chrysoberyl and Papagoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoberyl and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoberyl and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 3.25 whereas that of Papagoite is 3.25.