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Coral
Coral

Grandidierite
Grandidierite



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Coral
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Grandidierite

Coral and Grandidierite Physical Properties

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
2.60-2.70
2.85-3.00
1.5 Fracture
Irregular, Irregular, Gemstones of the world (2001)
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
1.6 Cleavage
Not Available
Perfect
1.7 Mohs Hardness
3-4
7.5
1.8 Chemical Composition
CaCO 3Ulrich Henn and Claudio C.
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Coral and Grandidierite Chemical Formula

While comparing Coral and Grandidierite 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 Coral and Grandidierite chemical formula.

  • Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.
  • Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Coral and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Coral and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Coral and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Coral is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.

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