Bastnasite and Powellite Physical Properties

Bastnasite

Powellite

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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

4.95-5.04.23

1 7.18

1.5 Fracture

Uneven

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

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

{111} Distinct

1.7 Mohs Hardness

4-53.5-4

2 10

1.8 Chemical Composition

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

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Bastnasite and Powellite Chemical Formula

While comparing Bastnasite and Powellite 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 Bastnasite and Powellite chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Bastnasite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 4.23 whereas that of Powellite is 4.23.