Shattuckite and Lapis lazuli Physical Properties

Shattuckite

Lapis lazuli

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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

3.80-4.152.50-3.00

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

perfect along [010] and [100]

3,6

1.7 Mohs Hardness

3.5-45.5

2 10

1.8 Chemical Composition

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

The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)₈Al₆Si₆O₂₄(S,SO)₄

Shattuckite and Lapis lazuli Chemical Formula

While comparing Shattuckite and Lapis lazuli 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 Lapis lazuli 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 Lapis lazuli- The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)₈Al₆Si₆O₂₄(S,SO)₄

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Shattuckite and Lapis lazuli Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shattuckite and Lapis lazuli Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shattuckite and Lapis lazuli Optical Properties during the identification of gemstone. Specific gravity of Shattuckite is 2.50-3.00 whereas that of Lapis lazuli is 2.50-3.00.