Elbaite and Bastnasite Physical Properties

Elbaite

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

2.90-3.104.95-5.0

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Uneven

1.6 Cleavage

Poor/indistinct on {1120} and {1011}

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

1.7 Mohs Hardness

74-5

2 10

1.8 Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

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

Elbaite and Bastnasite Chemical Formula

While comparing Elbaite 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 Elbaite and Bastnasite chemical formula.

Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Elbaite and Bastnasite Specific Gravity

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