Bastnasite and Gaspeite Physical Properties

Bastnasite

Gaspeite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

HCl soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.95-5.03.71

1 7.18

1.5 Fracture

Uneven

1.6 Cleavage

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

{10 1 1} Good

1.7 Mohs Hardness

4-54.5-5

2 10

1.8 Chemical Composition

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

(Ni,Mg,Fe++)CO3

Bastnasite and Gaspeite Chemical Formula

While comparing Bastnasite and Gaspeite 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 Gaspeite chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Gaspeite- (Ni,Mg,Fe++)CO3

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Bastnasite and Gaspeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Gaspeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Gaspeite Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 3.71 whereas that of Gaspeite is 3.71.