Mimetite and Apophyllite Physical Properties

Mimetite

Apophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

7.102.30-2.50

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

[10 1 1] Imperfect

Perfect on (001)

1.7 Mohs Hardness

3.54.5-5

2 10

1.8 Chemical Composition

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

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Mimetite and Apophyllite Chemical Formula

While comparing Mimetite and Apophyllite 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 Apophyllite chemical formula.

Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Compare Red Gemstones

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Mimetite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mimetite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mimetite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Mimetite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.