Gibbsite and Plumbogummite Physical Properties

Gibbsite

Plumbogummite

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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

2.354.014

1 7.18

1.5 Fracture

Fibrous, Difficult, Fibrous

Uneven, Conchoidal

1.6 Cleavage

{001} Perfect

None

1.7 Mohs Hardness

2.5-34-5

2 10

1.8 Chemical Composition

Al(OH)3

Not Available

Gibbsite and Plumbogummite Chemical Formula

While comparing Gibbsite and Plumbogummite 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 Plumbogummite chemical formula.

Chemical formula of Gibbsite- Al(OH)3

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Gibbsite and Plumbogummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gibbsite and Plumbogummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gibbsite and Plumbogummite Optical Properties during the identification of gemstone. Specific gravity of Gibbsite is 4.014 whereas that of Plumbogummite is 4.014.