Gibbsite and Kutnohorite Physical Properties

Gibbsite

Kutnohorite

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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

2.353.12

1 7.18

1.5 Fracture

Fibrous, Difficult, Fibrous

Subconchoidal, Brittle, Conchoidal

1.6 Cleavage

{001} Perfect

Perfect on {10 1 1}

1.7 Mohs Hardness

2.5-33-4

2 10

1.8 Chemical Composition

Al(OH)3

Not Available

Gibbsite and Kutnohorite Chemical Formula

While comparing Gibbsite and Kutnohorite 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 Kutnohorite chemical formula.

Chemical formula of Gibbsite- Al(OH)3

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Gibbsite and Kutnohorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gibbsite and Kutnohorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gibbsite and Kutnohorite Optical Properties during the identification of gemstone. Specific gravity of Gibbsite is 3.12 whereas that of Kutnohorite is 3.12.