Pyromorphite and Rhodizite Physical Properties

Pyromorphite

Rhodizite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

6.5-7.13.34-3.44

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

Imperfect- [10 1 1]

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

Mohs Hardness

3.5-48-8.5

2 10

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Chemical Composition

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

(K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pyromorphite and Rhodizite Chemical Formula

While comparing Pyromorphite and Rhodizite 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 Rhodizite chemical formula.

Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Chemical formula of Rhodizite- (K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

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Pyromorphite and Rhodizite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Rhodizite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Rhodizite Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 3.34-3.44 whereas that of Rhodizite is 3.34-3.44.