Bertrandite and Microlite Physical Properties

Bertrandite

Microlite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.59-2.605.5

1 7.18

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Fracture

Conchoidal

Cleavage

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

{111} Indistinct, {111} Indistinct, {111} Indistinct

Mohs Hardness

6-75-5.5

2 10

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Chemical Composition

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

(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Bertrandite and Microlite Chemical Formula

While comparing Bertrandite and Microlite 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 Microlite chemical formula.

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

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Bertrandite and Microlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bertrandite and Microlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bertrandite and Microlite Optical Properties during the identification of gemstone. Specific gravity of Bertrandite is 5.5 whereas that of Microlite is 5.5.