Grossular Garnet and Alexandrite Physical Properties

Grossular 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

3.6

3.69-3.81

1.5 Fracture

Not Available

1.6 Cleavage

None

1,1 ; 3,2.

1.7 Mohs Hardness

6.5-7.5

8.5

1.8 Chemical Composition

Ca₃Al₂Si₃O₁₂

BeAl ₂ O ₄

Grossular Garnet and Alexandrite Chemical Formula

While comparing Grossular 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 Grossular Garnet and Alexandrite chemical formula.

Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂
Chemical formula of Alexandrite- BeAl ₂ O ₄

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Grossular Garnet and Alexandrite Specific Gravity

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