Sphalerite and Nuummite Physical Properties

Sphalerite

Nuummite

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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

3.95-4.103.18-3.37

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

Conchoidal

1.6 Cleavage

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

Perfect on 210

1.7 Mohs Hardness

3.5-45.5-6

2 10

1.8 Chemical Composition

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

Not Available

Sphalerite and Nuummite Chemical Formula

While comparing Sphalerite and Nuummite 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 Nuummite chemical formula.

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

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Sphalerite and Nuummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Nuummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Nuummite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 3.18-3.37 whereas that of Nuummite is 3.18-3.37.