Pyromorphite and Microlite Physical Properties

Pyromorphite

Microlite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

6.5-7.15.5

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

Imperfect- [10 1 1]

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

Mohs Hardness

3.5-45-5.5

2 10

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Chemical Composition

Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

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

Pyromorphite and Microlite Chemical Formula

While comparing Pyromorphite 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 Pyromorphite and Microlite chemical formula.

Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

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Pyromorphite and Microlite Specific Gravity

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