Papagoite and Vivianite Physical Properties

Papagoite

Vivianite

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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

3.252.64-2.70

1 7.18

1.5 Fracture

Brittle, Metallic

(e.g. graphite).

1.6 Cleavage

Imperfect in one direction

{010} Perfect

1.7 Mohs Hardness

5-5.5Not Available

2 10

1.8 Chemical Composition

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

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Papagoite and Vivianite Chemical Formula

While comparing Papagoite and Vivianite 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 Vivianite chemical formula.

Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

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Papagoite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Papagoite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Papagoite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Papagoite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.