Muscovite and Andalusite Physical Properties

Muscovite

Andalusite

Add ⊕

1 Physical Properties

1.1 Tenacity

Elastic

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.883.05-3.21

1 7.18

1.5 Fracture

Micaceous, Brittle

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on the {001}

Good on {110}, poor on {100}

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 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Muscovite and Andalusite Chemical Formula

While comparing Muscovite and Andalusite 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 Andalusite 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 Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Colorless Gems

Muscovite Vs Petalite

Muscovite Vs Periclase

Muscovite Vs Pezzottaite

Muscovite and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Muscovite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Muscovite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Muscovite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.