Phosgenite and Amethyst Physical Properties

Phosgenite

Amethyst

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Soluble

insoluble in common solvents

1.3 Durability

Not Available

1.4 Specific Gravity

6.132.65

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

Indiscernible

1.7 Mohs Hardness

2-37

2 10

1.8 Chemical Composition

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

SiO₂

Phosgenite and Amethyst Chemical Formula

While comparing Phosgenite and Amethyst 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 Amethyst chemical formula.

Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Amethyst- SiO₂

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Phosgenite and Amethyst Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosgenite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosgenite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Phosgenite is 2.65 whereas that of Amethyst is 2.65.