Muscovite and Andesine Physical Properties

Muscovite

Andesine

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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

2.78-2.882.65-2.69

1 7.18

1.5 Fracture

Micaceous, Brittle

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on the {001}

Perfect on {001}, good on {010}

1.7 Mohs Hardness

2-36-6.5

2 10

1.8 Chemical Composition

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

(Na,Ca)Al_1-2Si_3-2O₈

Muscovite and Andesine Chemical Formula

While comparing Muscovite and Andesine 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 Andesine 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 Andesine- (Na,Ca)Al_1-2Si_3-2O₈

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Muscovite and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Muscovite and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Muscovite and Andesine Optical Properties during the identification of gemstone. Specific gravity of Muscovite is 2.65-2.69 whereas that of Andesine is 2.65-2.69.