Galena and Celestine Physical Properties

Galena

Celestine

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.233.90-4.00

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Metallic

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

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

Perfect on {001}, good on {210}, poor on {010}

1.7 Mohs Hardness

2.5-2.753-3.5

2 10

1.8 Chemical Composition

PbS

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Galena and Celestine Chemical Formula

While comparing Galena and Celestine 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 Celestine chemical formula.

Chemical formula of Galena- PbS
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Galena Vs Falcons Eye

Galena and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Galena and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Galena and Celestine Optical Properties during the identification of gemstone. Specific gravity of Galena is 3.90-4.00 whereas that of Celestine is 3.90-4.00.