Apophyllite KF and Lazulite Physical Properties

Apophyllite KF

Lazulite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

2.33-2.37

Uneven

Perfect on {001}, imperfect on {110}

4.5-5

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

3.04-3.17

Uneven

{001} Indistinct, {???} Indistinct

5.5

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Apophyllite KF and Lazulite Chemical Formula

While comparing Apophyllite KF and Lazulite 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 Apophyllite KF and Lazulite chemical formula.

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Apophyllite KF and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF Vs Lazulite during the identification of gemstone. Specific gravity of Apophyllite KF is whereas that of Lazulite is .