Alexandrite and Dolomite Physical Properties

Alexandrite

Dolomite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Poorly soluble in dilute HCl

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.812.80-2.95

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

1,1 ; 3,2.

Perfect on {10 1 1}, rhombohedral cleavage

1.7 Mohs Hardness

8.53.5-4

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Alexandrite and Dolomite Chemical Formula

While comparing Alexandrite and Dolomite 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 Dolomite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Alexandrite and Dolomite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Dolomite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Dolomite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.80-2.95 whereas that of Dolomite is 2.80-2.95.