Chrysoberyl and Bastnasite Physical Properties

Chrysoberyl

Bastnasite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.69-3.814.95-5.0

1 7.18

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Fracture

Uneven, Conchoidal to uneven, ConchoidalWalter Schumann

Uneven

Cleavage

Distinct on {110}, imperfect on {010}, poor on {001}

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

Mohs Hardness

8.54-5

2 10

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Chemical Composition

BeAl ₂ O ₄

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

Chrysoberyl and Bastnasite Chemical Formula

While comparing Chrysoberyl 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 Chrysoberyl and Bastnasite chemical formula.

Chemical formula of Chrysoberyl- BeAl ₂ O ₄
Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chrysoberyl and Bastnasite Specific Gravity

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