Gypsum and Rutile Physical Properties

Gypsum

Rutile

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1 Physical Properties

1.1 Tenacity

Flexible

Not Available

1.2 Solubility

Soluble

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.20-2.404.20-4.30

1 7.18

1.5 Fracture

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

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {010}, distinct on {100}

{110} good, 100 moderate, parting on {092} and {011}

1.7 Mohs Hardness

26-6.5

2 10

1.8 Chemical Composition

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

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Gypsum and Rutile Chemical Formula

While comparing Gypsum and Rutile 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 Rutile chemical formula.

Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Gypsum and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gypsum and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gypsum and Rutile Optical Properties during the identification of gemstone. Specific gravity of Gypsum is 4.20-4.30 whereas that of Rutile is 4.20-4.30.