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Gibbsite
Gibbsite

Coral
Coral



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Gibbsite
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Coral

Gibbsite and Coral 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
2.352.60-2.70
Amber
1 7.18
1.5 Fracture
Fibrous, Difficult, Fibrous
Irregular, Irregular, Gemstones of the world (2001)
1.6 Cleavage
{001} Perfect
Not Available
1.7 Mohs Hardness
2.5-33-4
Amber
2 10
1.8 Chemical Composition
Al(OH)3
CaCO 3Ulrich Henn and Claudio C.

Gibbsite and Coral Chemical Formula

While comparing Gibbsite and Coral 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 Coral chemical formula.

  • Chemical formula of Gibbsite- Al(OH)3
  • Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.

Gibbsite and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gibbsite and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gibbsite and Coral Optical Properties during the identification of gemstone. Specific gravity of Gibbsite is 2.60-2.70 whereas that of Coral is 2.60-2.70.