Bastnasite and Lawsonite Physical Properties

Bastnasite

Lawsonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.95-5.03.09

1 7.18

1.5 Fracture

Uneven

White, Yellow, Pale blue, Brittle, Uneven

1.6 Cleavage

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

Perfect on {100} and {010}, imperfect on {101}

1.7 Mohs Hardness

4-58

2 10

1.8 Chemical Composition

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

Not Available

Bastnasite and Lawsonite Chemical Formula

While comparing Bastnasite and Lawsonite 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 Lawsonite chemical formula.

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

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Bastnasite and Lawsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Lawsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Lawsonite Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 3.09 whereas that of Lawsonite is 3.09.