Witherite and Gahnite Physical Properties

Witherite

Gahnite

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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

4.27-4.354.00-4.62

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Conchoidal, Uneven

1.6 Cleavage

{010} Distinct

Indistinct parting on [111]

1.7 Mohs Hardness

3-3.57.5-8

2 10

1.8 Chemical Composition

BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Witherite and Gahnite Chemical Formula

While comparing Witherite and Gahnite 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 Gahnite chemical formula.

Chemical formula of Witherite- BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Witherite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Witherite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Witherite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Witherite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.