Pyromorphite and Sinhalite Physical Properties

Pyromorphite

Sinhalite

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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

6.5-7.13.46-3.50

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

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

1.6 Cleavage

Imperfect- [10 1 1]

Not Available

1.7 Mohs Hardness

3.5-46-7

2 10

1.8 Chemical Composition

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

MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pyromorphite and Sinhalite Chemical Formula

While comparing Pyromorphite and Sinhalite 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 Sinhalite chemical formula.

Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Chemical formula of Sinhalite- MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

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Pyromorphite Vs Sapphire

Pyromorphite Vs Sapphirine

Pyromorphite and Sinhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Sinhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Sinhalite Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 3.46-3.50 whereas that of Sinhalite is 3.46-3.50.