Gypsum and Liddicoatite Physical Properties

Gypsum

Liddicoatite

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1 Physical Properties

1.1 Tenacity

Flexible

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.20-2.403.02

1 7.18

1.5 Fracture

Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Perfect on {010}, distinct on {100}

{0001} Poor

1.7 Mohs Hardness

2Not Available

2 10

1.8 Chemical Composition

CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

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

Gypsum and Liddicoatite Chemical Formula

While comparing Gypsum and Liddicoatite 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 Gypsum and Liddicoatite chemical formula.

Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
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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Gypsum and Liddicoatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gypsum and Liddicoatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gypsum and Liddicoatite Optical Properties during the identification of gemstone. Specific gravity of Gypsum is 3.02 whereas that of Liddicoatite is 3.02.