Montebrasite and Phosgenite Physical Properties

Montebrasite

Phosgenite

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Physical Properties

Tenacity

Sectile

Solubility

Soluble

Durability

Specific Gravity

2.98-3.106.13

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

{100} Perfect, {110} Good, {011} Distinct

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

Mohs Hardness

5.5-62-3

2 10

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Chemical Composition

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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

Montebrasite and Phosgenite Chemical Formula

While comparing Montebrasite 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 Montebrasite and Phosgenite chemical formula.

Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Montebrasite and Phosgenite Specific Gravity

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