Labradorite and Muscovite Physical Properties

Labradorite

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

2.69-2.722.78-2.88

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

Micaceous, Brittle

1.6 Cleavage

Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}

Perfect on the {001}

1.7 Mohs Hardness

6-6.52-3

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

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

Labradorite and Muscovite Chemical Formula

While comparing Labradorite 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 Labradorite and Muscovite chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈
Chemical formula of Muscovite- KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

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Labradorite and Muscovite Specific Gravity

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