Cacoxenite and Ettringite Physical Properties

Cacoxenite

Ettringite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Partially soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

2.2-2.61.77

1 7.18

1.5 Fracture

Uneven

Not Available

1.6 Cleavage

None

Perfect on {10 1 0}

1.7 Mohs Hardness

3-42-2.5

2 10

1.8 Chemical Composition

(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Cacoxenite and Ettringite Chemical Formula

While comparing Cacoxenite and Ettringite 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 Ettringite chemical formula.

Chemical formula of Cacoxenite- (Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)
Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

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Cacoxenite Vs Actinolite

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Cacoxenite and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cacoxenite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cacoxenite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Cacoxenite is 1.77 whereas that of Ettringite is 1.77.