Pyrite and Andradite Garnet Physical Properties

Pyrite

Andradite Garnet

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.00-5.203.8-3.9

1 7.18

1.5 Fracture

Uneven, Conchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

Not Available

1.6 Cleavage

Indistinct on {001}; partings on {011} and {111}

None

1.7 Mohs Hardness

6-6.56.5-7.5

2 10

1.8 Chemical Composition

FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ca₃Fe³⁺₂Si₃O₁₂

Pyrite and Andradite Garnet Chemical Formula

While comparing Pyrite 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 Pyrite and Andradite Garnet chemical formula.

Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Pyrite and Andradite Garnet Specific Gravity

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