Alexandrite and Pyroxmangite Physical Properties

Alexandrite

Pyroxmangite

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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

3.69-3.813.76-3.77

1 7.18

1.5 Fracture

Not Available

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

1,1 ; 3,2.

{110} Perfect, {110} Perfect

1.7 Mohs Hardness

8.55-6

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

(Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.

Alexandrite and Pyroxmangite Chemical Formula

While comparing Alexandrite and Pyroxmangite 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 Pyroxmangite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Pyroxmangite- (Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.

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Alexandrite and Pyroxmangite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Pyroxmangite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Pyroxmangite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 3.76-3.77 whereas that of Pyroxmangite is 3.76-3.77.