Allanite and Carletonite Physical Properties

Allanite

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

3.40-4.202.45

1 7.18

1.5 Fracture

Not Available

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

Not Available

Perfect on {001}, good on {110}

1.7 Mohs Hardness

Not Available4-4.5

2 10

1.8 Chemical Composition

Not Available

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

Allanite and Carletonite Chemical Formula

While comparing Allanite 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 Allanite and Carletonite chemical formula.

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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Allanite and Carletonite Specific Gravity

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