Phosgenite and Grandidierite Physical Properties

Phosgenite

Grandidierite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.132.85-3.00

1 7.18

1.5 Fracture

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

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

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

Perfect

1.7 Mohs Hardness

2-37.5

2 10

1.8 Chemical Composition

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

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Phosgenite and Grandidierite Chemical Formula

While comparing Phosgenite and Grandidierite 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 Grandidierite chemical formula.

Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Compare White Gemstones

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Phosgenite Vs Rubellite

Phosgenite and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosgenite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosgenite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Phosgenite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.