Rhodizite and Pyromorphite Physical Properties

Rhodizite

Pyromorphite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.34-3.446.5-7.1

1 7.18

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Fracture

Conchoidal

Uneven, Conchoidal

Cleavage

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

Imperfect- [10 1 1]

Mohs Hardness

8-8.53.5-4

2 10

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Chemical Composition

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

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

Rhodizite and Pyromorphite Chemical Formula

While comparing Rhodizite 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 Rhodizite and Pyromorphite chemical formula.

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

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Rhodizite and Pyromorphite Specific Gravity

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