Dioptase and Pyromorphite Physical Properties

Dioptase

Pyromorphite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.356.5-7.1

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

1.6 Cleavage

Perfect in three directions

Imperfect- [10 1 1]

1.7 Mohs Hardness

53.5-4

2 10

1.8 Chemical Composition

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Dioptase and Pyromorphite Chemical Formula

While comparing Dioptase 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 Dioptase and Pyromorphite chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Compare Green Gemstones

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Dioptase and Pyromorphite Specific Gravity

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