Pyrite and Montebrasite Physical Properties

Pyrite

Montebrasite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble in water

Durability

Specific Gravity

5.00-5.202.98-3.10

1 7.18

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Fracture

Uneven, Conchoidal, ConchoidalWalter Schumann

Uneven, Conchoidal

Cleavage

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

{100} Perfect, {110} Good, {011} Distinct

Mohs Hardness

6-6.55.5-6

2 10

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Chemical Composition

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

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Pyrite and Montebrasite Chemical Formula

While comparing Pyrite and Montebrasite 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 Montebrasite chemical formula.

Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Pyrite and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrite and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrite and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Pyrite is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.