Ajoite and Dumortierite Physical Properties

Ajoite

Dumortierite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.963.26-3.41

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Perfect on {010}

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

1.7 Mohs Hardness

57-8.5

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

AlAl₆O₃BSi₃O₁₈

Ajoite and Dumortierite Chemical Formula

While comparing Ajoite 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 Ajoite and Dumortierite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Ajoite and Dumortierite Specific Gravity

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