Alexandrite and Magnesite Physical Properties

Alexandrite

Magnesite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Effervesces in hot HCl

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.812.92-3.12

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

1,1 ; 3,2.

[10 1 1] perfect

1.7 Mohs Hardness

8.53.5-4.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Alexandrite and Magnesite Chemical Formula

While comparing Alexandrite and Magnesite 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 Magnesite chemical formula.

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

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Alexandrite Vs Gahnospinel

Alexandrite and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.