Uvite and Galena Physical Properties

Uvite

Galena

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.97-3.146.23

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Subconchoidal, Brittle, Metallic

1.6 Cleavage

{1011} Indistinct

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

1.7 Mohs Hardness

Not Available2.5-2.75

2 10

1.8 Chemical Composition

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

PbS

Uvite and Galena Chemical Formula

While comparing Uvite 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 Uvite and Galena chemical formula.

Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Galena- PbS

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Uvite and Galena Specific Gravity

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