Spinel and Muscovite Physical Properties

Spinel

Muscovite

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1 Physical Properties

1.1 Tenacity

Not Available

Elastic

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.64-3.662.78-2.88

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Micaceous, Brittle

1.6 Cleavage

None, but may exhibit slight parting

Perfect on the {001}

1.7 Mohs Hardness

82-3

2 10

1.8 Chemical Composition

MgAl₂O₄

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

Spinel and Muscovite Chemical Formula

While comparing Spinel 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 Spinel and Muscovite chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Muscovite- KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

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Spinel and Muscovite Specific Gravity

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