Alexandrite and Matrix Opal Physical Properties

Alexandrite

Matrix Opal

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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

3.69-3.811.98-2.50

1 7.18

1.5 Fracture

Not Available

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

1,1 ; 3,2.

Not Available

1.7 Mohs Hardness

8.55.5-6.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

Not Available

Alexandrite and Matrix Opal Chemical Formula

While comparing Alexandrite and Matrix Opal 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 Matrix Opal chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄

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Alexandrite and Matrix Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Matrix Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Matrix Opal Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 1.98-2.50 whereas that of Matrix Opal is 1.98-2.50.