Humite and Liddicoatite Physical Properties

Humite

Liddicoatite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.3 Solubility

Not Available

1.5 Durability

Not Available

1.8 Specific Gravity

3.20-3.323.02

1 7.18

1.16 Fracture

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

1.17 Cleavage

Poor

{0001} Poor

1.18 Mohs Hardness

6-6.5Not Available

2 10

1.19 Chemical Composition

(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)

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

Humite and Liddicoatite Chemical Formula

While comparing Humite 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 Humite and Liddicoatite chemical formula.

Chemical formula of Humite- (Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
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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Humite and Liddicoatite Specific Gravity

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