Plumbogummite and Magnesite Physical Properties

Plumbogummite

Magnesite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Effervesces in hot HCl

1.3 Durability

Not Available

1.4 Specific Gravity

4.0142.92-3.12

1 7.18

1.5 Fracture

Uneven, Conchoidal

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

None

[10 1 1] perfect

1.7 Mohs Hardness

4-53.5-4.5

2 10

1.8 Chemical Composition

Not Available

MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Plumbogummite and Magnesite Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Magnesite chemical formula.

Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Plumbogummite and Magnesite Specific Gravity

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