Azurmalachite and Alexandrite Physical Properties

Azurmalachite

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

3.70-3.953.69-3.81

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

Not Available

1.6 Cleavage

1,1 basal.

1,1 ; 3,2.

1.7 Mohs Hardness

3.5-48.5

2 10

1.8 Chemical Composition

(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)

BeAl ₂ O ₄

Azurmalachite and Alexandrite Chemical Formula

While comparing Azurmalachite 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 Azurmalachite and Alexandrite chemical formula.

Chemical formula of Azurmalachite- (Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Alexandrite- BeAl ₂ O ₄

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Azurmalachite and Alexandrite Specific Gravity

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