Alexandrite and Grossular Garnet Physical Properties

Alexandrite

Grossular Garnet

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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

3.69-3.813.6

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

1,1 ; 3,2.

None

1.7 Mohs Hardness

8.56.5-7.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

Ca₃Al₂Si₃O₁₂

Alexandrite and Grossular Garnet Chemical Formula

While comparing Alexandrite and Grossular Garnet 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 Grossular Garnet chemical formula.

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

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Alexandrite and Grossular Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Grossular Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Grossular Garnet Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 3.6 whereas that of Grossular Garnet is 3.6.