Herderite and Bastnasite Physical Properties

Herderite

Bastnasite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.90-3.024.95-5.0

1 7.18

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Fracture

Subconchoidal, Conchoidal

Uneven

Cleavage

Indistinct on {110}

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

Mohs Hardness

5-5.54-5

2 10

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Chemical Composition

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

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

Herderite and Bastnasite Chemical Formula

While comparing Herderite 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 Herderite and Bastnasite chemical formula.

Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Colorless Gems

Herderite Vs Orthoclase

Herderite Vs Pectolite

Herderite Vs Phenakite

Herderite and Bastnasite Specific Gravity

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