Gahnite and Anglesite Physical Properties

Gahnite

Anglesite

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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

4.00-4.626.30-6.39

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

Indistinct parting on [111]

[001] good, [210] distinct

1.7 Mohs Hardness

7.5-83-3.5

2 10

1.8 Chemical Composition

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

PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Gahnite and Anglesite Chemical Formula

While comparing Gahnite and Anglesite 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 Anglesite chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Gahnite Vs Indicolite Blue Tourmaline

Gahnite and Anglesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Anglesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Anglesite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 6.30-6.39 whereas that of Anglesite is 6.30-6.39.