Alexandrite and Transvaal Jade Physical Properties

Alexandrite

Transvaal Jade

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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

3.69-3.813.55-3.73

1 7.18

1.5 Fracture

Not Available

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

1,1 ; 3,2.

Not Available

1.7 Mohs Hardness

8.57-7.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Alexandrite and Transvaal Jade Chemical Formula

While comparing Alexandrite and Transvaal Jade 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 Transvaal Jade chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Transvaal Jade- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Alexandrite and Transvaal Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Transvaal Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Transvaal Jade Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 3.55-3.73 whereas that of Transvaal Jade is 3.55-3.73.