Epidote and Bastnasite Physical Properties

Epidote

Bastnasite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.25-3.504.95-5.0

1 7.18

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Fracture

Conchoidal, Fibrous

Uneven

Cleavage

{001} perfect and {100} imperfect

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

Mohs Hardness

6-74-5

2 10

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Chemical Composition

CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Epidote and Bastnasite Chemical Formula

While comparing Epidote 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 Epidote and Bastnasite chemical formula.

Chemical formula of Epidote- CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

Epidote Vs Gedrite

Epidote Vs Goethite

Epidote Vs Hessonite

Epidote and Bastnasite Specific Gravity

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