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Mottramite
Mottramite

Magnesite
Magnesite



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Mottramite
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Magnesite

Mottramite and Magnesite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Soluble
Effervesces in hot HCl

Durability

-
-

Specific Gravity

5.92.92-3.12
1 7.18
👆🏻

Fracture

Sub-Conchoidal
Conchoidal

Cleavage

None observed
[10 1 1] perfect

Mohs Hardness

33.5-4.5
2 10
👆🏻

Chemical Composition

PbCu(VO4)(OH)
MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mottramite and Magnesite Chemical Formula

While comparing Mottramite and Magnesite 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 Magnesite chemical formula.

  • Chemical formula of Mottramite- PbCu(VO4)(OH)
  • Chemical formula of Magnesite- MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mottramite and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mottramite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mottramite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Mottramite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.