Galena and Uvite Physical Properties

Galena

Uvite

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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

6.232.97-3.14

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Metallic

Uneven, Conchoidal, Brittle

1.6 Cleavage

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

{1011} Indistinct

1.7 Mohs Hardness

2.5-2.75Not Available

2 10

1.8 Chemical Composition

PbS

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

Galena and Uvite Chemical Formula

While comparing Galena and Uvite 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 Uvite chemical formula.

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

Compare Grey Gemstones

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Galena Vs Falcons Eye

Galena Vs Larvikite

Galena and Uvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Galena and Uvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Galena and Uvite Optical Properties during the identification of gemstone. Specific gravity of Galena is 2.97-3.14 whereas that of Uvite is 2.97-3.14.