Grossular Garnet and Gypsum Physical Properties

Grossular Garnet

Gypsum

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1 Physical Properties

1.1 Tenacity

Not Available

Flexible

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.62.20-2.40

1 7.18

1.5 Fracture

Not Available

Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

Perfect on {010}, distinct on {100}

1.7 Mohs Hardness

6.5-7.52

2 10

1.8 Chemical Composition

Ca₃Al₂Si₃O₁₂

CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Grossular Garnet and Gypsum Chemical Formula

While comparing Grossular Garnet and Gypsum 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 Gypsum chemical formula.

Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂
Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

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Grossular Garnet and Gypsum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grossular Garnet and Gypsum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grossular Garnet and Gypsum Optical Properties during the identification of gemstone. Specific gravity of Grossular Garnet is 2.20-2.40 whereas that of Gypsum is 2.20-2.40.