Tourmaline and Albite Physical Properties

Tourmaline

Albite

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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

2.85-3.352.60-2.65

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

1.6 Cleavage

Indistinct

Perfect on {001}, very good on {010}, imperfect on {110}

1.7 Mohs Hardness

7-7.56-6.5

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.

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Tourmaline and Albite Chemical Formula

While comparing Tourmaline and Albite 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 Albite 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 Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Tourmaline and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Albite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 2.60-2.65 whereas that of Albite is 2.60-2.65.