Cordierite and Bastnasite Physical Properties

Cordierite

Bastnasite

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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

2.57-2.664.95-5.0

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Uneven

1.6 Cleavage

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

Imperfect to indistinct on {10 1 0}, parting on {0001}

1.7 Mohs Hardness

7-7.54-5

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cordierite and Bastnasite Chemical Formula

While comparing Cordierite and Bastnasite 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 Bastnasite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cordierite and Bastnasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Bastnasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Bastnasite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 4.95-5.0 whereas that of Bastnasite is 4.95-5.0.