Sphalerite and Magnesite Physical Properties

Sphalerite

Magnesite

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Physical Properties

Tenacity

Brittle

Solubility

Effervesces in hot HCl

Durability

Specific Gravity

3.95-4.102.92-3.12

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

{110} Perfect, {110} Perfect, {110} Perfect

[10 1 1] perfect

Mohs Hardness

3.5-43.5-4.5

2 10

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Chemical Composition

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Sphalerite and Magnesite Chemical Formula

While comparing Sphalerite 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 Sphalerite and Magnesite chemical formula.

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

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Sphalerite and Magnesite Specific Gravity

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