Pyrite and Rock Crystal Physical Properties

Pyrite

Rock Crystal

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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

5.00-5.202.65

1 7.18

1.5 Fracture

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

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

6-6.57

2 10

1.8 Chemical Composition

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

SiO 2Walter Schumann , Gemstones of the world (2001)

Pyrite and Rock Crystal Chemical Formula

While comparing Pyrite and Rock Crystal 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 Rock Crystal chemical formula.

Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)

Compare Yellow Gemstones

Pyrite Vs Sapphire

Pyrite Vs Rubellite

Pyrite Vs Rutilated Quartz

Pyrite and Rock Crystal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrite and Rock Crystal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrite and Rock Crystal Optical Properties during the identification of gemstone. Specific gravity of Pyrite is 2.65 whereas that of Rock Crystal is 2.65.