Hauyne and Galena Physical Properties

Hauyne

Galena

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Gelatinises in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.4-2.56.23

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Subconchoidal, Brittle, Metallic

1.6 Cleavage

Distinct on {110}

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

1.7 Mohs Hardness

5-62.5-2.75

2 10

1.8 Chemical Composition

(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

PbS

Hauyne and Galena Chemical Formula

While comparing Hauyne and Galena 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 Hauyne and Galena chemical formula.

Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
Chemical formula of Galena- PbS

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Hauyne and Galena Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hauyne and Galena Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hauyne and Galena Optical Properties during the identification of gemstone. Specific gravity of Hauyne is 6.23 whereas that of Galena is 6.23.