Alexandrite and Hauyne Physical Properties

Alexandrite

Hauyne

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Gelatinises in acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.812.4-2.5

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, Brittle

1.6 Cleavage

1,1 ; 3,2.

Distinct on {110}

1.7 Mohs Hardness

8.55-6

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

Alexandrite and Hauyne Chemical Formula

While comparing Alexandrite and Hauyne 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 Alexandrite and Hauyne chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

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Alexandrite and Hauyne Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Hauyne Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Hauyne Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.4-2.5 whereas that of Hauyne is 2.4-2.5.