Inderite and Dumortierite Physical Properties

Inderite

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

1.793.26-3.41

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

{110} Good

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

1.7 Mohs Hardness

2.57-8.5

2 10

1.8 Chemical Composition

MgB 3O 3(OH) 5 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

AlAl₆O₃BSi₃O₁₈

Inderite and Dumortierite Chemical Formula

While comparing Inderite 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 Inderite and Dumortierite chemical formula.

Chemical formula of Inderite- MgB 3O 3(OH) 5 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Inderite and Dumortierite Specific Gravity

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