Mimetite and Rosasite Physical Properties

Mimetite

Rosasite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Effervesces in cold

1.3 Durability

Not Available

1.4 Specific Gravity

7.104-4.2

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Splintery

1.6 Cleavage

[10 1 1] Imperfect

Perfect on {100} and {010}

1.7 Mohs Hardness

3.54

2 10

1.8 Chemical Composition

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

Not Available

Mimetite and Rosasite Chemical Formula

While comparing Mimetite and Rosasite 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 Rosasite 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 Rosasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mimetite and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mimetite and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Mimetite is 4-4.2 whereas that of Rosasite is 4-4.2.