Nickeline and Gibbsite Physical Properties

Nickeline

Gibbsite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.35

1 7.18

1.5 Fracture

Conchoidal, Uneven

Fibrous, Difficult, Fibrous

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

{001} Perfect

1.7 Mohs Hardness

5-5.52.5-3

2 10

1.8 Chemical Composition

Not Available

Al(OH)3

Nickeline and Gibbsite Chemical Formula

While comparing Nickeline 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 Nickeline and Gibbsite chemical formula.

Chemical formula of Gibbsite- Al(OH)3

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Nickeline and Gibbsite Specific Gravity

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