Dumortierite and Goldstone Physical Properties

Dumortierite

Goldstone

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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

3.26-3.412.50-2.80

1 7.18

1.5 Fracture

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

torn surfaces, (e.g. fractured metals).

1.6 Cleavage

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

None

1.7 Mohs Hardness

7-8.56

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

Dumortierite and Goldstone Chemical Formula

While comparing Dumortierite and Goldstone 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 Goldstone chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈
Chemical formula of Goldstone- Au

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Dumortierite and Goldstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Goldstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Goldstone Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 2.50-2.80 whereas that of Goldstone is 2.50-2.80.