Obsidian and Papagoite Physical Properties

Obsidian

Papagoite

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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

2.35-2.603.25

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Conchoidal

Brittle, Metallic

1.6 Cleavage

Not Available

Imperfect in one direction

1.7 Mohs Hardness

5-5.55-5.5

2 10

1.8 Chemical Composition

Not Available

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

Obsidian and Papagoite Chemical Formula

While comparing Obsidian 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 Obsidian and Papagoite chemical formula.

Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Obsidian and Papagoite Specific Gravity

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