Chrysoprase and Dumortierite Physical Properties

Chrysoprase

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

2.58-2.643.26-3.41

1 7.18

1.5 Fracture

Gems, Sixth Edition (2006)

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

6.5-77-8.5

2 10

1.8 Chemical Composition

SiO₂ (with a high level of nickel impurities )

AlAl₆O₃BSi₃O₁₈

Chrysoprase and Dumortierite Chemical Formula

While comparing Chrysoprase 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 Chrysoprase and Dumortierite chemical formula.

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

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Chrysoprase and Dumortierite Specific Gravity

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