Tourmaline and Marialite Physical Properties

Tourmaline

Marialite

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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

2.85-3.352.50

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Indistinct

Distinct on {100} and {110}

1.7 Mohs Hardness

7-7.55.5-6

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.

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Tourmaline and Marialite Chemical Formula

While comparing Tourmaline and Marialite 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 Marialite 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 Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

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Tourmaline and Marialite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Marialite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 2.50 whereas that of Marialite is 2.50.