Padparadscha and Alexandrite Physical Properties

Padparadscha

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

3.95-4.103.69-3.81

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

Not Available

1,1 ; 3,2.

1.7 Mohs Hardness

98.5

2 10

1.8 Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

BeAl ₂ O ₄

Padparadscha and Alexandrite Chemical Formula

While comparing Padparadscha 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 Padparadscha and Alexandrite chemical formula.

Chemical formula of Padparadscha- Al 2O 3Ulrich Henn and Claudio C.
Chemical formula of Alexandrite- BeAl ₂ O ₄

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Padparadscha and Alexandrite Specific Gravity

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