Sanidine and Dumortierite Physical Properties

Sanidine

Dumortierite

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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

2.54-2.613.26-3.41

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

{001} Perfect, {010} Good

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

1.7 Mohs Hardness

67-8.5

2 10

1.8 Chemical Composition

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

AlAl₆O₃BSi₃O₁₈

Sanidine and Dumortierite Chemical Formula

While comparing Sanidine 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 Sanidine and Dumortierite chemical formula.

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

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Sanidine and Dumortierite Specific Gravity

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