Microlite and Alexandrite Physical Properties

Microlite

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

5.5

3.69-3.81

1.5 Fracture

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

Not Available

1.6 Cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct

1,1 ; 3,2.

1.7 Mohs Hardness

5-5.5

8.5

1.8 Chemical Composition

(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

BeAl ₂ O ₄

Microlite and Alexandrite Chemical Formula

While comparing Microlite 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 Microlite and Alexandrite chemical formula.

Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Alexandrite- BeAl ₂ O ₄

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Microlite and Alexandrite Specific Gravity

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