Riebeckite and Bastnasite Physical Properties

Riebeckite

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

3.28-3.444.95-5.0

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

Uneven

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

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

1.7 Mohs Hardness

5.0-6.04-5

2 10

1.8 Chemical Composition

Not Available

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

Riebeckite and Bastnasite Chemical Formula

While comparing Riebeckite 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 Riebeckite and Bastnasite chemical formula.

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

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Riebeckite and Bastnasite Specific Gravity

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