Chrysoberyl and Kyanite Physical Properties

Chrysoberyl

Kyanite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.69-3.813.53-3.65

1 7.18

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Fracture

Uneven, Conchoidal to uneven, ConchoidalWalter Schumann

Splintery

Cleavage

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

[100] perfect [010] imperfect with 79° angle between

Mohs Hardness

8.54-7

2 10

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Chemical Composition

BeAl ₂ O ₄

Al2SiO5

Chrysoberyl and Kyanite Chemical Formula

While comparing Chrysoberyl and Kyanite 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 Kyanite chemical formula.

Chemical formula of Chrysoberyl- BeAl ₂ O ₄
Chemical formula of Kyanite- Al2SiO5

Compare Green Gemstones

Chrysoberyl Vs Datolite

Chrysoberyl Vs Demantoid

Chrysoberyl Vs Dioptase

Chrysoberyl and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoberyl and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoberyl and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.