Tourmaline and Chalcopyrite Physical Properties

Tourmaline

Chalcopyrite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.85-3.354.1-4.3

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Brittle, Metallic

1.6 Cleavage

Indistinct

Indistinct on {011}

1.7 Mohs Hardness

7-7.53.5-4

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.

CuFeS 2Anthony et al , Handbook of mineralogy (2001)

Tourmaline and Chalcopyrite Chemical Formula

While comparing Tourmaline and Chalcopyrite 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 Chalcopyrite 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 Chalcopyrite- CuFeS 2Anthony et al , Handbook of mineralogy (2001)

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Tourmaline and Chalcopyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Chalcopyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Chalcopyrite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 4.1-4.3 whereas that of Chalcopyrite is 4.1-4.3.