Alexandrite and Shattuckite Physical Properties

Alexandrite

Shattuckite

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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

3.69-3.813.80-4.15

1 7.18

1.5 Fracture

Not Available

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

1,1 ; 3,2.

perfect along [010] and [100]

1.7 Mohs Hardness

8.53.5-4

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

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

Alexandrite and Shattuckite Chemical Formula

While comparing Alexandrite 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 Alexandrite and Shattuckite chemical formula.

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

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Alexandrite and Shattuckite Specific Gravity

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