Dumortierite and Carletonite Physical Properties

Dumortierite

Carletonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.26-3.412.45

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

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

Perfect on {001}, good on {110}

1.7 Mohs Hardness

7-8.54-4.5

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Dumortierite and Carletonite Chemical Formula

While comparing Dumortierite and Carletonite 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 Carletonite chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈
Chemical formula of Carletonite- KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Dumortierite and Carletonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Carletonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Carletonite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 2.45 whereas that of Carletonite is 2.45.