Shattuckite and Ajoite Physical Properties

Shattuckite

Ajoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.80-4.152.96

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

perfect along [010] and [100]

Perfect on {010}

1.7 Mohs Hardness

3.5-45

2 10

1.8 Chemical Composition

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

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Shattuckite and Ajoite Chemical Formula

While comparing Shattuckite and Ajoite 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 Ajoite 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 Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Shattuckite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shattuckite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shattuckite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Shattuckite is 2.96 whereas that of Ajoite is 2.96.