Pezzottaite and Bastnasite Physical Properties

Pezzottaite

Bastnasite

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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

2.90-3.144.95-5.0

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven

1.6 Cleavage

Imperfect; basal

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

1.7 Mohs Hardness

7.5-84-5

2 10

1.8 Chemical Composition

(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

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

Pezzottaite and Bastnasite Chemical Formula

While comparing Pezzottaite 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 Pezzottaite and Bastnasite chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Pezzottaite and Bastnasite Specific Gravity

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