Grossular Garnet and Amethyst Physical Properties

Grossular Garnet

Amethyst

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble in common solvents

1.3 Durability

Not Available

1.4 Specific Gravity

3.62.65

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

None

Indiscernible

1.7 Mohs Hardness

6.5-7.57

2 10

1.8 Chemical Composition

Ca₃Al₂Si₃O₁₂

SiO₂

Grossular Garnet and Amethyst Chemical Formula

While comparing Grossular Garnet and Amethyst 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 Amethyst chemical formula.

Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂
Chemical formula of Amethyst- SiO₂

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Grossular Garnet and Amethyst Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grossular Garnet and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grossular Garnet and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Grossular Garnet is 2.65 whereas that of Amethyst is 2.65.