Plumbogummite and Mimetite Physical Properties

Plumbogummite

Mimetite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.0147.10

1 7.18

1.5 Fracture

Uneven, Conchoidal

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

None

[10 1 1] Imperfect

1.7 Mohs Hardness

4-53.5

2 10

1.8 Chemical Composition

Not Available

Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Plumbogummite and Mimetite Chemical Formula

While comparing Plumbogummite and Mimetite 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 Plumbogummite and Mimetite chemical formula.

Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Plumbogummite and Mimetite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Plumbogummite and Mimetite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plumbogummite and Mimetite Optical Properties during the identification of gemstone. Specific gravity of Plumbogummite is 7.10 whereas that of Mimetite is 7.10.