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Adularia
Adularia

Gibbsite
Gibbsite



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Adularia
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Adularia and Gibbsite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.54-2.61
2.35
1.5 Fracture
Not Available
Fibrous, Difficult, Fibrous
1.6 Cleavage
Not Available
{001} Perfect
1.7 Mohs Hardness
6
2.5-3
1.8 Chemical Composition
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
Al(OH)3

Adularia and Gibbsite Chemical Formula

While comparing Adularia 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 Adularia and Gibbsite chemical formula.

  • Chemical formula of Adularia- KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Gibbsite- Al(OH)3

Adularia and Gibbsite Specific Gravity

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

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