Muscovite and Aegirine Physical Properties

Muscovite

Aegirine

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1 Physical Properties

1.1 Tenacity

Elastic

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.88

3.50-3.60

1.5 Fracture

Micaceous, Brittle

Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect on the {001}

Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}

1.7 Mohs Hardness

2-3

1.8 Chemical Composition

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

(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

Muscovite and Aegirine Chemical Formula

While comparing Muscovite and Aegirine 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 Muscovite and Aegirine chemical formula.

Chemical formula of Muscovite- KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Aegirine- (Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

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Muscovite and Aegirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Muscovite and Aegirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Muscovite and Aegirine Optical Properties during the identification of gemstone. Specific gravity of Muscovite is 3.50-3.60 whereas that of Aegirine is 3.50-3.60.