Mimetite and Bastnasite Physical Properties

Mimetite

Bastnasite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

7.104.95-5.0

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven

1.6 Cleavage

[10 1 1] Imperfect

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

1.7 Mohs Hardness

3.54-5

2 10

1.8 Chemical Composition

Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Mimetite and Bastnasite Chemical Formula

While comparing Mimetite 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 Mimetite and Bastnasite chemical formula.

Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael 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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Mimetite and Bastnasite Specific Gravity

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