Liddicoatite and Pleonaste Physical Properties

Liddicoatite

Pleonaste

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.023.80

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{0001} Poor

Not Available

1.7 Mohs Hardness

Not Available8

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)

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Liddicoatite and Pleonaste Chemical Formula

While comparing Liddicoatite and Pleonaste 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 Pleonaste 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 Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

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Liddicoatite and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Liddicoatite and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Liddicoatite and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Liddicoatite is 3.80 whereas that of Pleonaste is 3.80.