Liddicoatite and Almandine Physical Properties

Liddicoatite

Almandine

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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

3.02

3.95-4.30

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

{0001} Poor

none

1.7 Mohs Hardness

Not Available

7-7.5

1.8 Chemical Composition

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

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Liddicoatite and Almandine Chemical Formula

While comparing Liddicoatite and Almandine 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 Almandine 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 Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Liddicoatite and Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Liddicoatite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Liddicoatite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Liddicoatite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.