Spinel and Hemimorphite Physical Properties

Spinel

Hemimorphite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

none

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.64-3.663.30-3.50

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

None, but may exhibit slight parting

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

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

MgAl₂O₄

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Spinel and Hemimorphite Chemical Formula

While comparing Spinel and Hemimorphite 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 Spinel and Hemimorphite chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems for Scorpio

Spinel Vs Charoite

Spinel Vs Azurmalachite

Spinel Vs Ametrine

Spinel and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.