Sard and Sphalerite Physical Properties

Sard

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

2.58-2.63

3.95-4.10

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

6.5-7

3.5-4

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sard and Sphalerite Chemical Formula

While comparing Sard 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 Sard and Sphalerite chemical formula.

Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sard and Sphalerite Specific Gravity

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