Bastnasite and Hemimorphite Physical Properties

Bastnasite

Hemimorphite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.95-5.03.30-3.50

1 7.18

1.5 Fracture

Uneven

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

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

Perfect on {110}, poor on {101}, {001} rare

1.7 Mohs Hardness

4-55

2 10

1.8 Chemical Composition

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

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Bastnasite and Hemimorphite Chemical Formula

While comparing Bastnasite and Hemimorphite 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 Bastnasite and Hemimorphite chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Bastnasite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.