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Witherite
Witherite

Nuummite
Nuummite



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Witherite and Nuummite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.27-4.35
3.18-3.37
1.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal
1.6 Cleavage
{010} Distinct
Perfect on 210
1.7 Mohs Hardness
3-3.5
5.5-6
1.8 Chemical Composition
BaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Not Available

Witherite and Nuummite Chemical Formula

While comparing Witherite 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 Witherite and Nuummite chemical formula.

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

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