Liddicoatite and Pyrargyrite Physical Properties

Liddicoatite

Pyrargyrite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.025.85

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

1.6 Cleavage

{0001} Poor

Distinct on {10 1 1}, imperfect on {01 1 2}

1.7 Mohs Hardness

Not Available2.5-3

2 10

1.8 Chemical Composition

Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Liddicoatite and Pyrargyrite Chemical Formula

While comparing Liddicoatite and Pyrargyrite 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 Liddicoatite and Pyrargyrite chemical formula.

Chemical formula of Liddicoatite- Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Liddicoatite and Pyrargyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Liddicoatite and Pyrargyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Liddicoatite and Pyrargyrite Optical Properties during the identification of gemstone. Specific gravity of Liddicoatite is 5.85 whereas that of Pyrargyrite is 5.85.