Gibbsite and Bastnasite Physical Properties

Gibbsite

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

2.354.95-5.0

1 7.18

1.5 Fracture

Fibrous, Difficult, Fibrous

Uneven

1.6 Cleavage

{001} Perfect

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

1.7 Mohs Hardness

2.5-34-5

2 10

1.8 Chemical Composition

Al(OH)3

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

Gibbsite and Bastnasite Chemical Formula

While comparing Gibbsite 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 Gibbsite and Bastnasite chemical formula.

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

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Gibbsite Vs Galena

Gibbsite and Bastnasite Specific Gravity

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