Dumortierite and Linarite Physical Properties

Dumortierite

Linarite

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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

3.26-3.415.35

1 7.18

1.5 Fracture

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

1.6 Cleavage

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

Perfect on {100}, imperfect on {001}

1.7 Mohs Hardness

7-8.52.5

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

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

Dumortierite and Linarite Chemical Formula

While comparing Dumortierite and Linarite 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 Dumortierite and Linarite chemical formula.

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

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Dumortierite and Linarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Linarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Linarite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 5.35 whereas that of Linarite is 5.35.