Pyrophyllite and Chrome Pyrope Physical Properties

Pyrophyllite

Chrome Pyrope

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.65-2.903.62-3.80

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{001} Perfect

Not Available

1.7 Mohs Hardness

Not Available7-7.5

2 10

1.8 Chemical Composition

Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)

Pyrophyllite and Chrome Pyrope Chemical Formula

While comparing Pyrophyllite and Chrome Pyrope 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 Pyrophyllite and Chrome Pyrope chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Chrome Pyrope- Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)

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Pyrophyllite and Chrome Pyrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Chrome Pyrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Chrome Pyrope Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 3.62-3.80 whereas that of Chrome Pyrope is 3.62-3.80.