Hemimorphite and Hardystonite Physical Properties

Hemimorphite

Hardystonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.503.396-3.443

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

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

[001] good, [100] and [110] fair

1.7 Mohs Hardness

53-4

2 10

1.8 Chemical Composition

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

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Hemimorphite and Hardystonite Chemical Formula

While comparing Hemimorphite and Hardystonite 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 Hardystonite 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 Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

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Hemimorphite and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hemimorphite and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.