Agrellite and Dumortierite Physical Properties

Agrellite

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

2.883.26-3.41

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

perfect [110]

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

1.7 Mohs Hardness

5.57-8.5

2 10

1.8 Chemical Composition

NaCa2Si4O10F

AlAl₆O₃BSi₃O₁₈

Agrellite and Dumortierite Chemical Formula

While comparing Agrellite 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 Agrellite and Dumortierite chemical formula.

Chemical formula of Agrellite- NaCa2Si4O10F
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Agrellite and Dumortierite Specific Gravity

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