Pyrope Garnet and Alexandrite Physical Properties

Pyrope Garnet

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

3.5-3.63.69-3.81

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

None

1,1 ; 3,2.

1.7 Mohs Hardness

7-7.58.5

2 10

1.8 Chemical Composition

Mg₃Al₂Si₃O₁₂

BeAl ₂ O ₄

Pyrope Garnet and Alexandrite Chemical Formula

While comparing Pyrope Garnet 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 Pyrope Garnet and Alexandrite chemical formula.

Chemical formula of Pyrope Garnet- Mg₃Al₂Si₃O₁₂
Chemical formula of Alexandrite- BeAl ₂ O ₄

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Pyrope Garnet and Alexandrite Specific Gravity

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