Witherite and Nuummite Physical Properties

Witherite

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

4.27-4.353.18-3.37

1 7.18

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

3-3.55.5-6

2 10

1.8 Chemical Composition

BaCO 3Michael OâDonoghue , 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 OâDonoghue , 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.