Beudantite and Alexandrite Physical Properties

Beudantite

Alexandrite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.483.69-3.81

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Not Available

1.6 Cleavage

distinct; good on {0001}

1,1 ; 3,2.

1.7 Mohs Hardness

3.5-4.58.5

2 10

1.8 Chemical Composition

PbFe+++3(AsO4)(SO4)(OH)6

BeAl ₂ O ₄

Beudantite and Alexandrite Chemical Formula

While comparing Beudantite and Alexandrite 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 Beudantite and Alexandrite chemical formula.

Chemical formula of Beudantite- PbFe+++3(AsO4)(SO4)(OH)6
Chemical formula of Alexandrite- BeAl ₂ O ₄

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Beudantite and Alexandrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beudantite and Alexandrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beudantite and Alexandrite Optical Properties during the identification of gemstone. Specific gravity of Beudantite is 3.69-3.81 whereas that of Alexandrite is 3.69-3.81.