Andradite and Muscovite Physical Properties

Andradite

Muscovite

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1 Physical Properties

1.1 Tenacity

Brittle

Elastic

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-4.102.78-2.88

1 7.18

1.5 Fracture

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)

Micaceous, Brittle

1.6 Cleavage

none

Perfect on the {001}

1.7 Mohs Hardness

6.5-72-3

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Andradite and Muscovite Chemical Formula

While comparing Andradite 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 Andradite and Muscovite chemical formula.

Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Muscovite- KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Compare Green Gemstones

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Andradite and Muscovite Specific Gravity

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