Bastnasite and Sapphire Physical Properties

Bastnasite

Sapphire

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.95-5.03.95-4.03

1 7.18

1.5 Fracture

Uneven

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

None, but may exhibit parting

1.7 Mohs Hardness

4-59

2 10

1.8 Chemical Composition

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

Al ₂ O ₃

Bastnasite and Sapphire Chemical Formula

While comparing Bastnasite and Sapphire 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 Sapphire chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sapphire- Al ₂ O ₃

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Bastnasite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.