Bastnasite and Labradorite Physical Properties

Bastnasite

Labradorite

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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

4.95-5.02.69-2.72

1 7.18

1.5 Fracture

Uneven

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

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

Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}

1.7 Mohs Hardness

4-56-6.5

2 10

1.8 Chemical Composition

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

(Na,Ca)_1-2Si_3-2O₈

Bastnasite and Labradorite Chemical Formula

While comparing Bastnasite and Labradorite 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 Labradorite chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

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Bastnasite and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.