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Sylvite
Sylvite

Gibbsite
Gibbsite



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Sylvite
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Gibbsite

Sylvite and Gibbsite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.993
2.35
1.5 Fracture
Uneven, Brittle
Fibrous, Difficult, Fibrous
1.6 Cleavage
Perfect on [100], [010], [001]
{001} Perfect
1.7 Mohs Hardness
2.5
2.5-3
1.8 Chemical Composition
Not Available
Al(OH)3

Sylvite and Gibbsite Chemical Formula

While comparing Sylvite 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 Sylvite and Gibbsite chemical formula.

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  • Chemical formula of Gibbsite- Al(OH)3

Sylvite and Gibbsite Specific Gravity

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