Hypersthene and Alexandrite Physical Properties

Hypersthene

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

3.45-3.553.69-3.81

1 7.18

1.5 Fracture

Uneven

Not Available

1.6 Cleavage

{100} Perfect, {010} Perfect

1,1 ; 3,2.

1.7 Mohs Hardness

5-68.5

2 10

1.8 Chemical Composition

(Fe,Mg) 2Si 2O 6Ulrich Henn and Claudio C.

BeAl ₂ O ₄

Hypersthene and Alexandrite Chemical Formula

While comparing Hypersthene 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 Hypersthene and Alexandrite chemical formula.

Chemical formula of Hypersthene- (Fe,Mg) 2Si 2O 6Ulrich Henn and Claudio C.
Chemical formula of Alexandrite- BeAl ₂ O ₄

Compare Black Gemstones

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Hypersthene Vs Morion

Hypersthene Vs Melanite

Hypersthene and Alexandrite Specific Gravity

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