Agate and Pyrite Physical Properties

Agate

Pyrite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.64

5.00-5.20

1.5 Fracture

Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

Indiscernible

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

1.7 Mohs Hardness

6.5-7

6-6.5

1.8 Chemical Composition

SiO₂

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

Agate and Pyrite Chemical Formula

While comparing Agate and Pyrite 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 Agate and Pyrite chemical formula.

Chemical formula of Agate- SiO₂
Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Agate and Pyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Agate and Pyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agate and Pyrite Optical Properties during the identification of gemstone. Specific gravity of Agate is 5.00-5.20 whereas that of Pyrite is 5.00-5.20.