Bornite and Bastnasite Physical Properties

Bornite

Bastnasite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.06-5.08

4.95-5.0

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

Uneven

1.6 Cleavage

Poor on [111].

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

1.7 Mohs Hardness

3-3.25

4-5

1.8 Chemical Composition

Cu5FeS4

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

Bornite and Bastnasite Chemical Formula

While comparing Bornite 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 Bornite and Bastnasite chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Bornite and Bastnasite Specific Gravity

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