Chrysoberyl and Lazulite Physical Properties

Chrysoberyl

Lazulite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.813.04-3.17

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gemstones of the world (2001) More from other references

1.6 Cleavage

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

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

8.55.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Chrysoberyl and Lazulite Chemical Formula

While comparing Chrysoberyl and Lazulite 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 Lazulite chemical formula.

Chemical formula of Chrysoberyl- BeAl ₂ O ₄
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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Chrysoberyl and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoberyl and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoberyl and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.