Cacoxenite and Precious Opal Physical Properties

Cacoxenite

Precious Opal

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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

2.2-2.61.98-2.25

1 7.18

1.5 Fracture

Uneven

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

3-45-6.5

2 10

1.8 Chemical Composition

(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Cacoxenite and Precious Opal Chemical Formula

While comparing Cacoxenite and Precious Opal 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 Cacoxenite and Precious Opal chemical formula.

Chemical formula of Cacoxenite- (Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Compare Green Gemstones

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Cacoxenite and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cacoxenite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cacoxenite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Cacoxenite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.