Galena and Microlite Physical Properties

Galena

Microlite

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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

6.235.5

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Metallic

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

1.6 Cleavage

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

{111} Indistinct, {111} Indistinct, {111} Indistinct

1.7 Mohs Hardness

2.5-2.755-5.5

2 10

1.8 Chemical Composition

PbS

(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Galena and Microlite Chemical Formula

While comparing Galena and Microlite 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 Microlite chemical formula.

Chemical formula of Galena- PbS
Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Galena and Microlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Galena and Microlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Galena and Microlite Optical Properties during the identification of gemstone. Specific gravity of Galena is 5.5 whereas that of Microlite is 5.5.