Pyrrhotite and Gibbsite Physical Properties

Pyrrhotite

Gibbsite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.58-4.652.35

1 7.18

1.5 Fracture

Uneven

Fibrous, Difficult, Fibrous

1.6 Cleavage

Absent

{001} Perfect

1.7 Mohs Hardness

3.5-4.52.5-3

2 10

1.8 Chemical Composition

Not Available

Al(OH)3

Pyrrhotite and Gibbsite Chemical Formula

While comparing Pyrrhotite and Gibbsite 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 Gibbsite chemical formula.

Chemical formula of Gibbsite- Al(OH)3

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Pyrrhotite and Gibbsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrrhotite and Gibbsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrrhotite and Gibbsite Optical Properties during the identification of gemstone. Specific gravity of Pyrrhotite is 2.35 whereas that of Gibbsite is 2.35.