Muscovite and Hurlbutite Physical Properties

Muscovite

Hurlbutite

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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

2.78-2.882.90

1 7.18

1.5 Fracture

Micaceous, Brittle

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

1.6 Cleavage

Perfect on the {001}

None

1.7 Mohs Hardness

2-36

2 10

1.8 Chemical Composition

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

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Muscovite and Hurlbutite Chemical Formula

While comparing Muscovite and Hurlbutite 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 Hurlbutite 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 Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Muscovite and Hurlbutite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Muscovite and Hurlbutite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Muscovite and Hurlbutite Optical Properties during the identification of gemstone. Specific gravity of Muscovite is 2.90 whereas that of Hurlbutite is 2.90.