Muscovite and Montebrasite Physical Properties

Muscovite

Montebrasite

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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

2.78-2.882.98-3.10

1 7.18

1.5 Fracture

Micaceous, Brittle

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Perfect on the {001}

{100} Perfect, {110} Good, {011} Distinct

1.7 Mohs Hardness

2-35.5-6

2 10

1.8 Chemical Composition

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

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Muscovite and Montebrasite Chemical Formula

While comparing Muscovite and Montebrasite 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 Montebrasite 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 Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Muscovite and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Muscovite and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Muscovite and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Muscovite is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.