Shigaite and Papagoite Physical Properties

Shigaite

Papagoite

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1 Physical Properties

1.1 Tenacity

Moderately ﬂexible

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.323.25

1 7.18

1.5 Fracture

Flexible Flexible fragments.

Brittle, Metallic

1.6 Cleavage

Perfect on {0001}

Imperfect in one direction

1.7 Mohs Hardness

25-5.5

2 10

1.8 Chemical Composition

Not Available

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

Shigaite and Papagoite Chemical Formula

While comparing Shigaite 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 Shigaite and Papagoite chemical formula.

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

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Shigaite and Papagoite Specific Gravity

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