Melanite and Sphalerite Physical Properties

Melanite

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

3.70-4.103.95-4.10

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), 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

Not Available

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

1.7 Mohs Hardness

6.5-73.5-4

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Melanite and Sphalerite Chemical Formula

While comparing Melanite 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 Melanite and Sphalerite chemical formula.

Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Melanite and Sphalerite Specific Gravity

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