Lepidolite and Rutile Physical Properties

Lepidolite

Rutile

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-2.904.20-4.30

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{001} perfect

{110} good, 100 moderate, parting on {092} and {011}

1.7 Mohs Hardness

2.56-6.5

2 10

1.8 Chemical Composition

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

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Lepidolite and Rutile Chemical Formula

While comparing Lepidolite and Rutile 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 Lepidolite and Rutile chemical formula.

Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Lepidolite and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lepidolite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lepidolite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Lepidolite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.