Pyrope and Papagoite Physical Properties

Pyrope

Papagoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.62-3.873.25

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Brittle, Metallic

1.6 Cleavage

None

Imperfect in one direction

1.7 Mohs Hardness

7-7.55-5.5

2 10

1.8 Chemical Composition

Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Pyrope and Papagoite Chemical Formula

While comparing Pyrope 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 Pyrope and Papagoite chemical formula.

Chemical formula of Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Pyrope and Papagoite Specific Gravity

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