Papagoite and Gypsum Physical Properties

Papagoite

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

3.252.20-2.40

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

Imperfect in one direction

Perfect on {010}, distinct on {100}

1.7 Mohs Hardness

5-5.52

2 10

1.8 Chemical Composition

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

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

Papagoite and Gypsum Chemical Formula

While comparing Papagoite 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 Papagoite and Gypsum chemical formula.

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

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Papagoite and Gypsum Specific Gravity

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