Herderite and Pyrite Physical Properties

Herderite

Pyrite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.90-3.02

Subconchoidal, Conchoidal

Indistinct on {110}

5-5.5

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Brittle

insoluble in water

5.00-5.20

Uneven, Conchoidal, ConchoidalWalter Schumann

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

6-6.5

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

Herderite and Pyrite Chemical Formula

While comparing Herderite 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 Herderite and Pyrite chemical formula.

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Herderite and Pyrite Specific Gravity

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