Bertrandite and Hemimorphite Physical Properties

Bertrandite

Hemimorphite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.59-2.603.30-3.50

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

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

Perfect on {110}, poor on {101}, {001} rare

1.7 Mohs Hardness

6-75

2 10

1.8 Chemical Composition

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

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Bertrandite and Hemimorphite Chemical Formula

While comparing Bertrandite and Hemimorphite 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 Bertrandite and Hemimorphite chemical formula.

Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Bertrandite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bertrandite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bertrandite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Bertrandite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.