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Smithsonite
Smithsonite

Nuummite
Nuummite



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Smithsonite
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Nuummite

Smithsonite and Nuummite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.00-4.653.18-3.37
Amber
1 7.18
1.5 Fracture
Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Conchoidal
1.6 Cleavage
Perfect on [1011]
Perfect on 210
1.7 Mohs Hardness
5-5.55.5-6
Amber
2 10
1.8 Chemical Composition
ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Not Available

Smithsonite and Nuummite Chemical Formula

While comparing Smithsonite 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 Smithsonite and Nuummite chemical formula.

  • Chemical formula of Smithsonite- ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
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Smithsonite and Nuummite Specific Gravity

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