Pyrrhotite and Halite Physical Properties

Pyrrhotite

Halite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Soluble

Water-soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.58-4.652.17

1 7.18

1.5 Fracture

Uneven

Conchoidal, Brittle, Metallic

1.6 Cleavage

Absent

Perfect {001}, three directions cubic

1.7 Mohs Hardness

3.5-4.52.0-2.5

2 10

1.8 Chemical Composition

Not Available

NaCl

Pyrrhotite and Halite Chemical Formula

While comparing Pyrrhotite and Halite 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 Pyrrhotite and Halite chemical formula.

Chemical formula of Halite- NaCl

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Pyrrhotite and Halite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrrhotite and Halite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrrhotite and Halite Optical Properties during the identification of gemstone. Specific gravity of Pyrrhotite is 2.17 whereas that of Halite is 2.17.