Gaspeite and Alexandrite Physical Properties

Gaspeite

Alexandrite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

HCl soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.71

3.69-3.81

1.5 Fracture

Uneven

Not Available

1.6 Cleavage

{10 1 1} Good

1,1 ; 3,2.

1.7 Mohs Hardness

4.5-5

8.5

1.8 Chemical Composition

(Ni,Mg,Fe++)CO3

BeAl ₂ O ₄

Gaspeite and Alexandrite Chemical Formula

While comparing Gaspeite 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 Gaspeite and Alexandrite chemical formula.

Chemical formula of Gaspeite- (Ni,Mg,Fe++)CO3
Chemical formula of Alexandrite- BeAl ₂ O ₄

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Gaspeite and Alexandrite Specific Gravity

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