Gypsum and Andradite Garnet Physical Properties

Gypsum

Andradite Garnet

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1 Physical Properties

1.1 Tenacity

Flexible

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.20-2.403.8-3.9

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect on {010}, distinct on {100}

None

1.7 Mohs Hardness

26.5-7.5

2 10

1.8 Chemical Composition

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

Ca₃Fe³⁺₂Si₃O₁₂

Gypsum and Andradite Garnet Chemical Formula

While comparing Gypsum and Andradite 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 Gypsum and Andradite Garnet chemical formula.

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

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Gypsum and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gypsum and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gypsum and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Gypsum is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.