Kurnakovite and Alexandrite Physical Properties

Kurnakovite

Alexandrite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.847-1.8523.69-3.81

1 7.18

1.5 Fracture

Brittle, Conchoidal

Not Available

1.6 Cleavage

Poor to indistinct on {010}

1,1 ; 3,2.

1.7 Mohs Hardness

2-38.5

2 10

1.8 Chemical Composition

Not Available

BeAl ₂ O ₄

Kurnakovite and Alexandrite Chemical Formula

While comparing Kurnakovite 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 Kurnakovite and Alexandrite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄

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Kurnakovite and Alexandrite Specific Gravity

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