Papagoite and Almandine Physical Properties

Papagoite

Almandine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.253.95-4.30

1 7.18

1.5 Fracture

Brittle, Metallic

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

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)

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

Papagoite and Almandine Chemical Formula

While comparing Papagoite and Almandine 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 Almandine chemical formula.

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

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Papagoite and Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Papagoite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Papagoite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Papagoite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.