Dioptase and Dumortierite Physical Properties

Dioptase

Dumortierite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.353.26-3.41

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect in three directions

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

1.7 Mohs Hardness

57-8.5

2 10

1.8 Chemical Composition

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

AlAl₆O₃BSi₃O₁₈

Dioptase and Dumortierite Chemical Formula

While comparing Dioptase 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 Dioptase and Dumortierite chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Dioptase Vs Feldspar

Dioptase and Dumortierite Specific Gravity

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