Dumortierite and Muscovite Physical Properties

Dumortierite

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

3.26-3.412.78-2.88

1 7.18

1.5 Fracture

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

Micaceous, Brittle

1.6 Cleavage

Distinct on {100}, poor on {110}; parting on {001}

Perfect on the {001}

1.7 Mohs Hardness

7-8.52-3

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

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

Dumortierite and Muscovite Chemical Formula

While comparing Dumortierite 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 Dumortierite and Muscovite chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈
Chemical formula of Muscovite- KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

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Dumortierite and Muscovite Specific Gravity

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