Biotite and Shattuckite Physical Properties

Biotite

Shattuckite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.7-3.33.80-4.15

1 7.18

1.5 Fracture

Uneven, Even, Yellow, White

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on the {001}

perfect along [010] and [100]

1.7 Mohs Hardness

2.5-3.03.5-4

2 10

1.8 Chemical Composition

K(Mg,Fe++)3[AlSi3O10(OH,F)2

Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Biotite and Shattuckite Chemical Formula

While comparing Biotite and Shattuckite 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 Biotite and Shattuckite chemical formula.

Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2
Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Biotite and Shattuckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Shattuckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite and Shattuckite Optical Properties during the identification of gemstone. Specific gravity of Biotite is 3.80-4.15 whereas that of Shattuckite is 3.80-4.15.