Serpentine and Bertrandite Physical Properties

Serpentine

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

2.44-2.62

2.59-2.60

1.5 Fracture

Uneven, Uneven, Gemstones of the world (2001) More from other references

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

2.5-5.5

6-7

1.8 Chemical Composition

H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

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

Serpentine and Bertrandite Chemical Formula

While comparing Serpentine 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 Serpentine and Bertrandite chemical formula.

Chemical formula of Serpentine- H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Serpentine and Bertrandite Specific Gravity

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