Liddicoatite and Lepidolite Physical Properties

Liddicoatite

Lepidolite

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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

3.022.80-2.90

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

{0001} Poor

{001} perfect

1.7 Mohs Hardness

Not Available2.5

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)

Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Liddicoatite and Lepidolite Chemical Formula

While comparing Liddicoatite and Lepidolite 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 Lepidolite 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 Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Compare Green Gemstones

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Liddicoatite and Lepidolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Liddicoatite and Lepidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Liddicoatite and Lepidolite Optical Properties during the identification of gemstone. Specific gravity of Liddicoatite is 2.80-2.90 whereas that of Lepidolite is 2.80-2.90.