Pyrophyllite and Andradite Garnet Physical Properties

Pyrophyllite

Andradite Garnet

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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

2.65-2.903.8-3.9

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

Not Available

1.6 Cleavage

{001} Perfect

None

1.7 Mohs Hardness

Not Available6.5-7.5

2 10

1.8 Chemical Composition

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

Ca₃Fe³⁺₂Si₃O₁₂

Pyrophyllite and Andradite Garnet Chemical Formula

While comparing Pyrophyllite and Andradite Garnet 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 Andradite Garnet chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Pyrophyllite and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.