Galena and Hemimorphite Physical Properties

Galena

Hemimorphite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

6.233.30-3.50

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Metallic

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

1.6 Cleavage

Cubic perfect on [001], parting on [111]

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

1.7 Mohs Hardness

2.5-2.755

2 10

1.8 Chemical Composition

PbS

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

Galena and Hemimorphite Chemical Formula

While comparing Galena 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 Galena and Hemimorphite chemical formula.

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

Compare Grey Gemstones

Galena Vs Clinochlore

Galena Vs Falcons Eye

Galena Vs Larvikite

Galena and Hemimorphite Specific Gravity

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