Papagoite and Pyrope Physical Properties

Papagoite

Pyrope

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

3.253.62-3.87

1 7.18

1.5 Fracture

Brittle, Metallic

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Imperfect in one direction

None

1.7 Mohs Hardness

5-5.57-7.5

2 10

1.8 Chemical Composition

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

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

Papagoite and Pyrope Chemical Formula

While comparing Papagoite and Pyrope 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 Pyrope chemical formula.

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

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Papagoite and Pyrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Papagoite and Pyrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Papagoite and Pyrope Optical Properties during the identification of gemstone. Specific gravity of Papagoite is 3.62-3.87 whereas that of Pyrope is 3.62-3.87.