Pyromorphite and Rhodolite Physical Properties

Pyromorphite

Rhodolite

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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

6.5-7.13.84

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

Conchoidal

1.6 Cleavage

Imperfect- [10 1 1]

none, may show indistinct parting

1.7 Mohs Hardness

3.5-47-7.5

2 10

1.8 Chemical Composition

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

(Mg,Fe)₃Al₂Si₃O₁₂

Pyromorphite and Rhodolite Chemical Formula

While comparing Pyromorphite and Rhodolite 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 Rhodolite chemical formula.

Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂

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Pyromorphite and Rhodolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Rhodolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Rhodolite Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 3.84 whereas that of Rhodolite is 3.84.