Kutnohorite and Gibbsite Physical Properties

Kutnohorite

Gibbsite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.122.35

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Conchoidal

Fibrous, Difficult, Fibrous

1.6 Cleavage

Perfect on {10 1 1}

{001} Perfect

1.7 Mohs Hardness

3-42.5-3

2 10

1.8 Chemical Composition

Not Available

Al(OH)3

Kutnohorite and Gibbsite Chemical Formula

While comparing Kutnohorite 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 Kutnohorite and Gibbsite chemical formula.

Chemical formula of Gibbsite- Al(OH)3

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Kutnohorite and Gibbsite Specific Gravity

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