Alexandrite and Axinite Physical Properties

Alexandrite

Axinite

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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

3.69-3.813.26-3.36

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

1,1 ; 3,2.

Good on {100}

1.7 Mohs Hardness

8.56.5-7

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Alexandrite and Axinite Chemical Formula

While comparing Alexandrite and Axinite 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 Axinite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Axinite- (Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Alexandrite and Axinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Axinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Axinite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 3.26-3.36 whereas that of Axinite is 3.26-3.36.