Papagoite and Bertrandite Physical Properties

Papagoite

Bertrandite

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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

3.252.59-2.60

1 7.18

1.5 Fracture

Brittle, Metallic

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Imperfect in one direction

{001} Perfect, {110} Distinct, {101} Distinct

1.7 Mohs Hardness

5-5.56-7

2 10

1.8 Chemical Composition

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

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Papagoite and Bertrandite Chemical Formula

While comparing Papagoite and Bertrandite 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 Bertrandite chemical formula.

Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Papagoite and Bertrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Papagoite and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Papagoite and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Papagoite is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.