Albite and Dumortierite Physical Properties

Albite

Dumortierite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.653.26-3.41

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

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

1.6 Cleavage

Perfect on {001}, very good on {010}, imperfect on {110}

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

1.7 Mohs Hardness

6-6.57-8.5

2 10

1.8 Chemical Composition

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

AlAl₆O₃BSi₃O₁₈

Albite and Dumortierite Chemical Formula

While comparing Albite 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 Albite and Dumortierite chemical formula.

Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Albite and Dumortierite Specific Gravity

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