Arfvedsonite and Papagoite Physical Properties

Arfvedsonite

Papagoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.3-3.53.25

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic, Brittle, Metallic

Brittle, Metallic

1.6 Cleavage

Perfect on [110]

Imperfect in one direction

1.7 Mohs Hardness

5-65-5.5

2 10

1.8 Chemical Composition

NaNa2(Fe++4Fe+++)Si8O22(OH)2

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

Arfvedsonite and Papagoite Chemical Formula

While comparing Arfvedsonite 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 Arfvedsonite and Papagoite chemical formula.

Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2
Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Arfvedsonite and Papagoite Specific Gravity

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