Dumortierite and Scheelite Physical Properties

Dumortierite

Scheelite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.26-3.415.9-6.3

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven

1.6 Cleavage

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

On {101}, distinct; on {112}, interrupted; on {001}, indistinct

1.7 Mohs Hardness

7-8.54.5-5

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Dumortierite and Scheelite Chemical Formula

While comparing Dumortierite and Scheelite 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 Scheelite chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Dumortierite and Scheelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Scheelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Scheelite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 5.9-6.3 whereas that of Scheelite is 5.9-6.3.