Zincite and Sphalerite Physical Properties

Zincite

Sphalerite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.50-5.903.95-4.10

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

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

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

1.7 Mohs Hardness

43.5-4

2 10

1.8 Chemical Composition

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

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

Zincite and Sphalerite Chemical Formula

While comparing Zincite 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 Zincite and Sphalerite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael 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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Zincite and Sphalerite Specific Gravity

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