Strontianite and Pyromorphite Physical Properties

Strontianite

Pyromorphite

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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

3.63-3.796.5-7.1

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

1.6 Cleavage

{110} Good

Imperfect- [10 1 1]

1.7 Mohs Hardness

3.53.5-4

2 10

1.8 Chemical Composition

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

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

Strontianite and Pyromorphite Chemical Formula

While comparing Strontianite and Pyromorphite 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 Strontianite and Pyromorphite chemical formula.

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

Compare Green Gemstones

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Strontianite and Pyromorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Strontianite and Pyromorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Strontianite and Pyromorphite Optical Properties during the identification of gemstone. Specific gravity of Strontianite is 6.5-7.1 whereas that of Pyromorphite is 6.5-7.1.