Sphalerite and Crystal Opal Physical Properties

Sphalerite

Crystal Opal

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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

3.95-4.101.97-2.22

1 7.18

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

3.5-45.5-6.5

2 10

1.8 Chemical Composition

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

SiO 2 + H 2OUlrich Henn and Claudio C.

Sphalerite and Crystal Opal Chemical Formula

While comparing Sphalerite and Crystal Opal 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 Crystal Opal chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Sphalerite and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.