Gibbsite and Hanksite Physical Properties

Gibbsite

Hanksite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Readily soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

2.352.562

1 7.18

1.5 Fracture

Fibrous, Difficult, Fibrous

Uneven, Conchoidal, Brittle

1.6 Cleavage

{001} Perfect

Good on {0001}

1.7 Mohs Hardness

2.5-33-3.5

2 10

1.8 Chemical Composition

Al(OH)3

KNa22(SO4)9(CO3)2Cl

Gibbsite and Hanksite Chemical Formula

While comparing Gibbsite and Hanksite 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 Hanksite chemical formula.

Chemical formula of Gibbsite- Al(OH)3
Chemical formula of Hanksite- KNa22(SO4)9(CO3)2Cl

Compare Grey Gemstones

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Gibbsite Vs Pallasite

Gibbsite and Hanksite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gibbsite and Hanksite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gibbsite and Hanksite Optical Properties during the identification of gemstone. Specific gravity of Gibbsite is 2.562 whereas that of Hanksite is 2.562.