Hemimorphite and Bastnasite Physical Properties

Hemimorphite

Bastnasite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.504.95-5.0

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

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

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

1.7 Mohs Hardness

54-5

2 10

1.8 Chemical Composition

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

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

Hemimorphite and Bastnasite Chemical Formula

While comparing Hemimorphite 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 Hemimorphite and Bastnasite chemical formula.

Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael 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

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Hemimorphite and Bastnasite Specific Gravity

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