Tourmaline and Carletonite Physical Properties

Tourmaline

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

2.85-3.352.45

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

Indistinct

Perfect on {001}, good on {110}

1.7 Mohs Hardness

7-7.54-4.5

2 10

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

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

Tourmaline and Carletonite Chemical Formula

While comparing Tourmaline 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 Tourmaline and Carletonite chemical formula.

Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
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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Tourmaline and Carletonite Specific Gravity

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