Bastnsite and Dumortierite Physical Properties

Bastnsite

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

4.78-5.203.26-3.41

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

4-4.57-8.5

2 10

1.8 Chemical Composition

Not Available

AlAl₆O₃BSi₃O₁₈

Bastnsite and Dumortierite Chemical Formula

While comparing Bastnsite 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 Bastnsite and Dumortierite chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Bastnsite and Dumortierite Specific Gravity

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