Erythrite and Shattuckite Physical Properties

Erythrite

Shattuckite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.063.80-4.15

1 7.18

1.5 Fracture

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {010}; poor on {100} and { 1 02}.

perfect along [010] and [100]

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

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

Erythrite and Shattuckite Chemical Formula

While comparing Erythrite 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 Erythrite and Shattuckite chemical formula.

Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Erythrite and Shattuckite Specific Gravity

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