Amethyst and Grossular Garnet Physical Properties

Amethyst

Grossular Garnet

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble in common solvents

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.653.6

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Indiscernible

None

1.7 Mohs Hardness

76.5-7.5

2 10

1.8 Chemical Composition

SiO₂

Ca₃Al₂Si₃O₁₂

Amethyst and Grossular Garnet Chemical Formula

While comparing Amethyst 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 Amethyst and Grossular Garnet chemical formula.

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

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Amethyst and Grossular Garnet Specific Gravity

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