Aragonite and Dumortierite Physical Properties

Aragonite

Dumortierite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Dilute acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.93-2.963.26-3.41

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

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

1.6 Cleavage

Distinct on {010}, imperfect {110} and {011}

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

1.7 Mohs Hardness

3.5-47-8.5

2 10

1.8 Chemical Composition

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

AlAl₆O₃BSi₃O₁₈

Aragonite and Dumortierite Chemical Formula

While comparing Aragonite 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 Aragonite and Dumortierite chemical formula.

Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

Compare Gems for Virgo

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Aragonite and Dumortierite Specific Gravity

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