Ceylonite and Grandidierite Physical Properties

Ceylonite

Grandidierite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.63-3.92.85-3.00

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

Indistinct

Perfect

1.7 Mohs Hardness

7.5-87.5

2 10

1.8 Chemical Composition

(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Ceylonite and Grandidierite Chemical Formula

While comparing Ceylonite 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 Ceylonite and Grandidierite chemical formula.

Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

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Ceylonite and Grandidierite Specific Gravity

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