Gypsum and Papagoite Physical Properties

Gypsum

Papagoite

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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

2.20-2.403.25

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

Perfect on {010}, distinct on {100}

Imperfect in one direction

1.7 Mohs Hardness

25-5.5

2 10

1.8 Chemical Composition

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

CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Gypsum and Papagoite Chemical Formula

While comparing Gypsum and Papagoite 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 Papagoite chemical formula.

Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Colorless Gems

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Gypsum and Papagoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gypsum and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gypsum and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Gypsum is 3.25 whereas that of Papagoite is 3.25.