Baryte Barite and Lapis lazuli Physical Properties

Baryte Barite

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

4.43-4.462.50-3.00

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Not Available

3,6

1.7 Mohs Hardness

3-3.55.5

2 10

1.8 Chemical Composition

BaSO 4Michael 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

Baryte Barite and Lapis lazuli Chemical Formula

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

Chemical formula of Baryte Barite- BaSO 4Michael 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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Baryte Barite and Lapis lazuli Specific Gravity

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