Lapis lazuli and Baryte Barite Physical Properties

Lapis lazuli

Baryte Barite

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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

2.50-3.004.43-4.46

1 7.18

1.5 Fracture

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

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

3,6

Not Available

1.7 Mohs Hardness

5.53-3.5

2 10

1.8 Chemical Composition

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

BaSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Lapis lazuli and Baryte Barite Chemical Formula

While comparing Lapis lazuli and Baryte Barite 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 Lapis lazuli and Baryte Barite chemical formula.

Chemical formula of Lapis lazuli- The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)₈Al₆Si₆O₂₄(S,SO)₄
Chemical formula of Baryte Barite- BaSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Lapis lazuli and Baryte Barite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lapis lazuli and Baryte Barite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lapis lazuli and Baryte Barite Optical Properties during the identification of gemstone. Specific gravity of Lapis lazuli is 4.43-4.46 whereas that of Baryte Barite is 4.43-4.46.