Euclase and Alexandrite Physical Properties

Euclase

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

3.08-3.123.69-3.81

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle, Metallic

Not Available

1.6 Cleavage

{010} Perfect

1,1 ; 3,2.

1.7 Mohs Hardness

7.58.5

2 10

1.8 Chemical Composition

BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

BeAl ₂ O ₄

Euclase and Alexandrite Chemical Formula

While comparing Euclase 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 Euclase and Alexandrite chemical formula.

Chemical formula of Euclase- BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Alexandrite- BeAl ₂ O ₄

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Euclase and Alexandrite Specific Gravity

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