Bastnasite and Carnallite Physical Properties

Bastnasite

Carnallite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.95-5.01.6

1 7.18

1.5 Fracture

Uneven

Violet, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

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

None

1.7 Mohs Hardness

4-52.5

2 10

1.8 Chemical Composition

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

KMgCl3•6(H2O)

Bastnasite and Carnallite Chemical Formula

While comparing Bastnasite and Carnallite 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 Carnallite chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Carnallite- KMgCl3•6(H2O)

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Bastnasite and Carnallite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Carnallite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Carnallite Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 1.6 whereas that of Carnallite is 1.6.