Anglesite and Bertrandite Physical Properties

Anglesite

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

6.30-6.392.59-2.60

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

[001] good, [210] distinct

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

1.7 Mohs Hardness

3-3.56-7

2 10

1.8 Chemical Composition

PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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

Anglesite and Bertrandite Chemical Formula

While comparing Anglesite 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 Anglesite and Bertrandite chemical formula.

Chemical formula of Anglesite- PbSO 4Michael 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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Anglesite and Bertrandite Specific Gravity

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