Enstatite and Bertrandite Physical Properties

Enstatite

Bertrandite

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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

3.20-3.252.59-2.60

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Good/distinct on [210]

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

1.7 Mohs Hardness

5.56-7

2 10

1.8 Chemical Composition

Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Enstatite and Bertrandite Chemical Formula

While comparing Enstatite 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 Enstatite and Bertrandite chemical formula.

Chemical formula of Enstatite- Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Enstatite and Bertrandite Specific Gravity

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