Leucophanite and Alexandrite Physical Properties

Leucophanite

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

Not Available3.69-3.81

1 7.18

1.5 Fracture

Brittle, Metallic

Not Available

1.6 Cleavage

{???} Good, {???} Good, {???} Distinct

1,1 ; 3,2.

1.7 Mohs Hardness

Not Available8.5

2 10

1.8 Chemical Composition

Not Available

BeAl ₂ O ₄

Leucophanite and Alexandrite Chemical Formula

While comparing Leucophanite 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 Leucophanite and Alexandrite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄

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Leucophanite and Alexandrite Specific Gravity

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