Hemimorphite and Lapis lazuli Physical Properties

Hemimorphite

Lapis lazuli

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.502.50-3.00

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

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

1.6 Cleavage

Perfect on {110}, poor on {101}, {001} rare

3,6

1.7 Mohs Hardness

55.5

2 10

1.8 Chemical Composition

Zn 4Si 2O 7(OH) 2H 2OMichael 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

Hemimorphite and Lapis lazuli Chemical Formula

While comparing Hemimorphite 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 Hemimorphite and Lapis lazuli chemical formula.

Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael 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

Compare Green Gemstones

Hemimorphite Vs Kornerupine

Hemimorphite Vs Lazurite

Hemimorphite Vs Kyanite Cyprine

Hemimorphite and Lapis lazuli Specific Gravity

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