Sphalerite and Dumortierite Physical Properties

Sphalerite

Dumortierite

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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

3.95-4.10

3.26-3.41

1.5 Fracture

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

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

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

Distinct on {100}, poor on {110}; parting on {001}

1.7 Mohs Hardness

3.5-4

7-8.5

1.8 Chemical Composition

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

AlAl₆O₃BSi₃O₁₈

Sphalerite and Dumortierite Chemical Formula

While comparing Sphalerite and Dumortierite 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 Dumortierite chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Sphalerite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.