Microlite and Galena Physical Properties

Microlite

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

5.56.23

1 7.18

1.5 Fracture

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

Subconchoidal, Brittle, Metallic

1.6 Cleavage

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

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

1.7 Mohs Hardness

5-5.52.5-2.75

2 10

1.8 Chemical Composition

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

PbS

Microlite and Galena Chemical Formula

While comparing Microlite 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 Microlite and Galena chemical formula.

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

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Microlite and Galena Specific Gravity

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