Tourmaline and Muscovite Physical Properties

Tourmaline

Muscovite

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1 Physical Properties

1.1 Tenacity

Not Available

Elastic

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.85-3.352.78-2.88

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Micaceous, Brittle

1.6 Cleavage

Indistinct

Perfect on the {001}

1.7 Mohs Hardness

7-7.52-3

2 10

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Tourmaline and Muscovite Chemical Formula

While comparing Tourmaline and Muscovite 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 Tourmaline and Muscovite chemical formula.

Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Chemical formula of Muscovite- KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

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Tourmaline and Muscovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Muscovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Muscovite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 2.78-2.88 whereas that of Muscovite is 2.78-2.88.