Phosgenite and Spinel Physical Properties

Phosgenite

Spinel

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Soluble

none

1.3 Durability

Not Available

1.4 Specific Gravity

6.133.64-3.66

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Distinct on {001} and {110}, indistinct on {100}

None, but may exhibit slight parting

1.7 Mohs Hardness

2-38

2 10

1.8 Chemical Composition

Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

MgAl₂O₄

Phosgenite and Spinel Chemical Formula

While comparing Phosgenite and Spinel 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 Phosgenite and Spinel chemical formula.

Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Spinel- MgAl₂O₄

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Phosgenite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosgenite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosgenite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Phosgenite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.