Allanite and Bastnasite Physical Properties

Allanite

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

3.40-4.204.95-5.0

1 7.18

1.5 Fracture

Not Available

Uneven

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

Not Available4-5

2 10

1.8 Chemical Composition

Not Available

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

Allanite and Bastnasite Chemical Formula

While comparing Allanite 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 Allanite and Bastnasite chemical formula.

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

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Allanite and Bastnasite Specific Gravity

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