Cordierite and Chlorapatite Physical Properties

Cordierite

Chlorapatite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.663.17-3.18

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Not Available

1.6 Cleavage

Fair on {100}, poor on {001} and {010}

Not Available

1.7 Mohs Hardness

7-7.5Not Available

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

Cordierite and Chlorapatite Chemical Formula

While comparing Cordierite and Chlorapatite 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 Cordierite and Chlorapatite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Chlorapatite- Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Cordierite Vs Rosasite

Cordierite Vs Riebeckite

Cordierite Vs Plumbogummite

Cordierite and Chlorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Chlorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Chlorapatite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 3.17-3.18 whereas that of Chlorapatite is 3.17-3.18.