Malachite and Sphalerite Physical Properties

Malachite

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

3.25-4.103.95-4.10

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), 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

Perfect on { 2 01} fair on {010}

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

1.7 Mohs Hardness

3.5-43.5-4

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

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

Malachite and Sphalerite Chemical Formula

While comparing Malachite 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 Malachite and Sphalerite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Malachite and Sphalerite Specific Gravity

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