Liddicoatite and Apophyllite KF Physical Properties

Liddicoatite

Apophyllite KF

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.022.33-2.37

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

{0001} Poor

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

Not Available4.5-5

2 10

1.8 Chemical Composition

Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Liddicoatite and Apophyllite KF Chemical Formula

While comparing Liddicoatite 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 Liddicoatite and Apophyllite KF chemical formula.

Chemical formula of Liddicoatite- Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

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Liddicoatite and Apophyllite KF Specific Gravity

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