Liddicoatite and Zinnwaldite Physical Properties

Liddicoatite

Zinnwaldite

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1 Physical Properties

1.1 Tenacity

Not Available

Elastic

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.022.9-3.1

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

{0001} Poor

Perfect basal {001}

1.7 Mohs Hardness

Not Available3.5-4.0

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)

Not Available

Liddicoatite and Zinnwaldite Chemical Formula

While comparing Liddicoatite and Zinnwaldite 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 Zinnwaldite 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)

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Liddicoatite and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Liddicoatite and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Liddicoatite and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Liddicoatite is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.