Andradite Garnet and Gypsum Physical Properties

Andradite 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

3.8-3.92.20-2.40

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

Ca₃Fe³⁺₂Si₃O₁₂

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

Andradite Garnet and Gypsum Chemical Formula

While comparing Andradite 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 Andradite Garnet and Gypsum chemical formula.

Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂
Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

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Andradite Garnet and Gypsum Specific Gravity

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