Pyrophyllite and Pyrope Almandine Physical Properties

Pyrophyllite

Pyrope Almandine

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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

2.65-2.903.62-4.20

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

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

(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

Pyrophyllite and Pyrope Almandine Chemical Formula

While comparing Pyrophyllite and Pyrope Almandine 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 Pyrope Almandine chemical formula.

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

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Pyrophyllite and Pyrope Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Pyrope Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Pyrope Almandine Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 3.62-4.20 whereas that of Pyrope Almandine is 3.62-4.20.