Gibbsite and Pyrrhotite Physical Properties

Gibbsite

Pyrrhotite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.354.58-4.65

1 7.18

1.5 Fracture

Fibrous, Difficult, Fibrous

Uneven

1.6 Cleavage

{001} Perfect

Absent

1.7 Mohs Hardness

2.5-33.5-4.5

2 10

1.8 Chemical Composition

Al(OH)3

Not Available

Gibbsite and Pyrrhotite Chemical Formula

While comparing Gibbsite and Pyrrhotite 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 Gibbsite and Pyrrhotite chemical formula.

Chemical formula of Gibbsite- Al(OH)3

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Gibbsite and Pyrrhotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gibbsite and Pyrrhotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gibbsite and Pyrrhotite Optical Properties during the identification of gemstone. Specific gravity of Gibbsite is 4.58-4.65 whereas that of Pyrrhotite is 4.58-4.65.