Linarite and Dumortierite Physical Properties

Linarite

Dumortierite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

5.353.26-3.41

1 7.18

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Fracture

Conchoidal

Fibrous, ConchoidalWalter Schumann

Cleavage

Perfect on {100}, imperfect on {001}

Distinct on {100}, poor on {110}; parting on {001}

Mohs Hardness

2.57-8.5

2 10

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Chemical Composition

PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

AlAl₆O₃BSi₃O₁₈

Linarite and Dumortierite Chemical Formula

While comparing Linarite and Dumortierite 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 Linarite and Dumortierite chemical formula.

Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Linarite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Linarite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Linarite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Linarite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.