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Creedite
Creedite

Gibbsite
Gibbsite



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Creedite
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Gibbsite

Creedite and Gibbsite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.702.35
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Fibrous, Difficult, Fibrous
1.6 Cleavage
Perfect on {100}
{001} Perfect
1.7 Mohs Hardness
4.52.5-3
Amber
2 10
1.8 Chemical Composition
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Al(OH)3

Creedite and Gibbsite Chemical Formula

While comparing Creedite 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 Creedite and Gibbsite chemical formula.

  • Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
  • Chemical formula of Gibbsite- Al(OH)3

Creedite and Gibbsite Specific Gravity

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