Bastnasite and Hematite Physical Properties

Bastnasite

Hematite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

4.95-5.05.00-5.30

1 7.18

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Fracture

Uneven

Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

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

None, may show partings on {0001} and {10 1 1}

Mohs Hardness

4-56

2 10

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Chemical Composition

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

Fe 2O 3Arthur Thomas , Gemstones (2009)

Bastnasite and Hematite Chemical Formula

While comparing Bastnasite and Hematite 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 Hematite chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Bastnasite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.