Mimetite and Zinnwaldite Physical Properties

Mimetite

Zinnwaldite

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1 Physical Properties

1.1 Tenacity

Brittle

Elastic

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

7.102.9-3.1

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven

1.6 Cleavage

[10 1 1] Imperfect

Perfect basal {001}

1.7 Mohs Hardness

3.53.5-4.0

2 10

1.8 Chemical Composition

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

Not Available

Mimetite and Zinnwaldite Chemical Formula

While comparing Mimetite and Zinnwaldite 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 Mimetite and Zinnwaldite chemical formula.

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

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Mimetite and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mimetite and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mimetite and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Mimetite is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.