Grandidierite and Cacoxenite Physical Properties

Grandidierite

Cacoxenite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.85-3.002.2-2.6

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Perfect

None

1.7 Mohs Hardness

7.53-4

2 10

1.8 Chemical Composition

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

(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

Grandidierite and Cacoxenite Chemical Formula

While comparing Grandidierite and Cacoxenite 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 Grandidierite and Cacoxenite chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Chemical formula of Cacoxenite- (Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

Compare Green Gemstones

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Grandidierite Vs Hydrogrossular

Grandidierite and Cacoxenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Cacoxenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Cacoxenite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.2-2.6 whereas that of Cacoxenite is 2.2-2.6.