Galena and Charoite Physical Properties

Galena

Charoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.232.54-2.78

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Metallic

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Good in three directions

1.7 Mohs Hardness

2.5-2.755-6

2 10

1.8 Chemical Composition

PbS

K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Galena and Charoite Chemical Formula

While comparing Galena and Charoite 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 Charoite chemical formula.

Chemical formula of Galena- PbS
Chemical formula of Charoite- K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Galena and Charoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Galena and Charoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Galena and Charoite Optical Properties during the identification of gemstone. Specific gravity of Galena is 2.54-2.78 whereas that of Charoite is 2.54-2.78.