Dumortierite and Chrysoprase Physical Properties

Dumortierite

Chrysoprase

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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

3.26-3.412.58-2.64

1 7.18

1.5 Fracture

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

Gems, Sixth Edition (2006)

1.6 Cleavage

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

None

1.7 Mohs Hardness

7-8.56.5-7

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

SiO₂ (with a high level of nickel impurities )

Dumortierite and Chrysoprase Chemical Formula

While comparing Dumortierite and Chrysoprase 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 Chrysoprase chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈
Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )

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Dumortierite and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.