Magnesite and Zincite Physical Properties

Magnesite

Zincite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Effervesces in hot HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.92-3.125.50-5.90

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

[10 1 1] perfect

On {10 1 0}, perfect; parting on {000 1 }

1.7 Mohs Hardness

3.5-4.54

2 10

1.8 Chemical Composition

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

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

Magnesite and Zincite Chemical Formula

While comparing Magnesite and Zincite 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 Magnesite and Zincite chemical formula.

Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Magnesite and Zincite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Magnesite and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Magnesite and Zincite Optical Properties during the identification of gemstone. Specific gravity of Magnesite is 5.50-5.90 whereas that of Zincite is 5.50-5.90.