Gibbsite and Stolzite Physical Properties

Gibbsite

Stolzite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.352

1 7.18

1.5 Fracture

Fibrous, Difficult, Fibrous

Conchoidal, Uneven, Brittle

1.6 Cleavage

{001} Perfect

Imperfect on {001}, indistinct on {011}

1.7 Mohs Hardness

2.5-32.5-3

2 10

1.8 Chemical Composition

Al(OH)3

Not Available

Gibbsite and Stolzite Chemical Formula

While comparing Gibbsite and Stolzite 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 Stolzite chemical formula.

Chemical formula of Gibbsite- Al(OH)3

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Gibbsite and Stolzite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gibbsite and Stolzite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gibbsite and Stolzite Optical Properties during the identification of gemstone. Specific gravity of Gibbsite is 2 whereas that of Stolzite is 2.