Muscovite and Sapphirine Physical Properties

Muscovite

Sapphirine

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1 Physical Properties

1.1 Tenacity

Elastic

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.883.40-3.58

1 7.18

1.5 Fracture

Micaceous, Brittle

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

1.6 Cleavage

Perfect on the {001}

{010} Perfect

1.7 Mohs Hardness

2-37.5

2 10

1.8 Chemical Composition

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

(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Muscovite and Sapphirine Chemical Formula

While comparing Muscovite and Sapphirine 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 Sapphirine 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 Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Muscovite and Sapphirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Muscovite and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Muscovite and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Muscovite is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.