Liddicoatite and Anorthite Physical Properties

Liddicoatite

Anorthite

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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

3.022.77

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{0001} Poor

Perfect [001] good [010] poor [110]

1.7 Mohs Hardness

Not Available6-6.5

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)

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Liddicoatite and Anorthite Chemical Formula

While comparing Liddicoatite and Anorthite 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 Anorthite 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 Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Liddicoatite and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Liddicoatite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Liddicoatite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Liddicoatite is 2.77 whereas that of Anorthite is 2.77.