Alexandrite and Bastnasite Physical Properties

Alexandrite

Bastnasite

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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

3.69-3.814.95-5.0

1 7.18

1.5 Fracture

Not Available

Uneven

1.6 Cleavage

1,1 ; 3,2.

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

1.7 Mohs Hardness

8.54-5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

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

Alexandrite and Bastnasite Chemical Formula

While comparing Alexandrite 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 Alexandrite and Bastnasite chemical formula.

Chemical formula of Alexandrite- 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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Alexandrite and Bastnasite Specific Gravity

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