Gahnite and Sphalerite Physical Properties

Gahnite

Sphalerite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.623.95-4.10

1 7.18

1.5 Fracture

Conchoidal, Uneven

UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven

1.6 Cleavage

Indistinct parting on [111]

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

1.7 Mohs Hardness

7.5-83.5-4

2 10

1.8 Chemical Composition

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Gahnite and Sphalerite Chemical Formula

While comparing Gahnite and Sphalerite 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 Gahnite and Sphalerite chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Gahnite and Sphalerite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.