Gahnite and Witherite Physical Properties

Gahnite

Witherite

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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

4.00-4.624.27-4.35

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

Indistinct parting on [111]

{010} Distinct

1.7 Mohs Hardness

7.5-83-3.5

2 10

1.8 Chemical Composition

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

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

Gahnite and Witherite Chemical Formula

While comparing Gahnite and Witherite 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 Gahnite and Witherite chemical formula.

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

Compare Blue Gemstones

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Gahnite Vs Indicolite Blue Tourmaline

Gahnite and Witherite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Witherite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Witherite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 4.27-4.35 whereas that of Witherite is 4.27-4.35.