Muscovite and Ettringite Physical Properties

Muscovite

Ettringite

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1 Physical Properties

1.1 Tenacity

Elastic

Not Available

1.2 Solubility

Not Available

Partially soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.881.77

1 7.18

1.5 Fracture

Micaceous, Brittle

Not Available

1.6 Cleavage

Perfect on the {001}

Perfect on {10 1 0}

1.7 Mohs Hardness

2-32-2.5

2 10

1.8 Chemical Composition

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

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Muscovite and Ettringite Chemical Formula

While comparing Muscovite and Ettringite 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 Ettringite 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 Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Muscovite and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Muscovite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Muscovite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Muscovite is 1.77 whereas that of Ettringite is 1.77.