Galena and Rutile Physical Properties

Galena

Rutile

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

6.234.20-4.30

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Metallic

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

{110} good, 100 moderate, parting on {092} and {011}

1.7 Mohs Hardness

2.5-2.756-6.5

2 10

1.8 Chemical Composition

PbS

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Galena and Rutile Chemical Formula

While comparing Galena and Rutile 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 Rutile chemical formula.

Chemical formula of Galena- PbS
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Galena and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Galena and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Galena and Rutile Optical Properties during the identification of gemstone. Specific gravity of Galena is 4.20-4.30 whereas that of Rutile is 4.20-4.30.