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Mottramite
Mottramite

Marcasite
Marcasite



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Mottramite
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Marcasite

Mottramite and Marcasite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Soluble
-

Durability

-
-

Specific Gravity

5.94.80-4.90
1 7.18
👆🏻

Fracture

Sub-Conchoidal
Uneven

Cleavage

None observed
{010} Indistinct

Mohs Hardness

36-6.5
2 10
👆🏻

Chemical Composition

PbCu(VO4)(OH)
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mottramite and Marcasite Chemical Formula

While comparing Mottramite and Marcasite 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 Mottramite and Marcasite chemical formula.

  • Chemical formula of Mottramite- PbCu(VO4)(OH)
  • Chemical formula of Marcasite- FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mottramite and Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mottramite and Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mottramite and Marcasite Optical Properties during the identification of gemstone. Specific gravity of Mottramite is 4.80-4.90 whereas that of Marcasite is 4.80-4.90.