Shattuckite and Iolite Physical Properties

Shattuckite

Iolite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.80-4.152.6-2.7

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

perfect along [010] and [100]

3,1

1.7 Mohs Hardness

3.5-47-7.5

2 10

1.8 Chemical Composition

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

Mg₂Al₄Si₅O₁₈

Shattuckite and Iolite Chemical Formula

While comparing Shattuckite and Iolite 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 Shattuckite and Iolite chemical formula.

Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Shattuckite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shattuckite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shattuckite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Shattuckite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.