Bastnasite and Malachite Physical Properties

Bastnasite

Malachite

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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

4.95-5.03.25-4.10

1 7.18

1.5 Fracture

Uneven

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

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

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

4-53.5-4

2 10

1.8 Chemical Composition

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

Cu₂CO₃(OH)₂

Bastnasite and Malachite Chemical Formula

While comparing Bastnasite and Malachite 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 Malachite chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Malachite- Cu₂CO₃(OH)₂

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Bastnasite and Malachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Malachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Malachite Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 3.25-4.10 whereas that of Malachite is 3.25-4.10.