Mimetite and Apophyllite KF Physical Properties

Mimetite

Apophyllite KF

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

7.102.33-2.37

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

[10 1 1] Imperfect

Perfect on {001}, imperfect on {110}

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

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Mimetite and Apophyllite KF Chemical Formula

While comparing Mimetite and Apophyllite KF 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 KF chemical formula.

Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

Compare Red Gemstones

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Mimetite and Apophyllite KF Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mimetite and Apophyllite KF Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mimetite and Apophyllite KF Optical Properties during the identification of gemstone. Specific gravity of Mimetite is 2.33-2.37 whereas that of Apophyllite KF is 2.33-2.37.