Star Sapphire and Phosgenite Physical Properties

Star Sapphire

Phosgenite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.90-4.056.13

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

Not Available2-3

2 10

1.8 Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

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

Star Sapphire and Phosgenite Chemical Formula

While comparing Star Sapphire and Phosgenite 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 Star Sapphire and Phosgenite chemical formula.

Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

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Star Sapphire Vs Tourmaline

Star Sapphire Vs Verdite

Star Sapphire and Phosgenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Phosgenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Phosgenite Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 6.13 whereas that of Phosgenite is 6.13.