Carletonite and Dumortierite Physical Properties

Carletonite

Dumortierite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.453.26-3.41

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

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

1.6 Cleavage

Perfect on {001}, good on {110}

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

1.7 Mohs Hardness

4-4.57-8.5

2 10

1.8 Chemical Composition

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

AlAl₆O₃BSi₃O₁₈

Carletonite and Dumortierite Chemical Formula

While comparing Carletonite 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 Carletonite and Dumortierite chemical formula.

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

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Carletonite and Dumortierite Specific Gravity

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