Muscovite and Spodumene Physical Properties

Muscovite

Spodumene

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1 Physical Properties

1.1 Tenacity

Elastic

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.883.15-3.21

1 7.18

1.5 Fracture

Micaceous, Brittle

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

Perfect on the {001}

Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°

1.7 Mohs Hardness

2-36-7

2 10

1.8 Chemical Composition

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

LiAlSi₂O₆

Muscovite and Spodumene Chemical Formula

While comparing Muscovite and Spodumene 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 Spodumene 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 Spodumene- LiAlSi₂O₆

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Muscovite and Spodumene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Muscovite and Spodumene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Muscovite and Spodumene Optical Properties during the identification of gemstone. Specific gravity of Muscovite is 3.15-3.21 whereas that of Spodumene is 3.15-3.21.