Spinel and Sphalerite Physical Properties

Spinel

Sphalerite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.64-3.663.95-4.10

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

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

None, but may exhibit slight parting

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

1.7 Mohs Hardness

83.5-4

2 10

1.8 Chemical Composition

MgAl₂O₄

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

Spinel and Sphalerite Chemical Formula

While comparing Spinel 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 Spinel and Sphalerite chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Spinel and Sphalerite Specific Gravity

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