Pyromorphite and Diaspore Physical Properties

Pyromorphite

Diaspore

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1 Physical Properties

1.1 Tenacity

Brittle

Very brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

6.5-7.13.30-3.40

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Imperfect- [10 1 1]

{010} perfect, {110} distinct, {100} in traces

1.7 Mohs Hardness

3.5-46.5-7

2 10

1.8 Chemical Composition

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

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Pyromorphite and Diaspore Chemical Formula

While comparing Pyromorphite and Diaspore 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 Diaspore chemical formula.

Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Pyromorphite Vs Sapphirine

Pyromorphite Vs Rutilated Quartz

Pyromorphite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.