Bastnasite and Spinel Physical Properties

Bastnasite

Spinel

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

4.95-5.03.64-3.66

1 7.18

1.5 Fracture

Uneven

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

None, but may exhibit slight parting

1.7 Mohs Hardness

4-58

2 10

1.8 Chemical Composition

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

MgAl₂O₄

Bastnasite and Spinel Chemical Formula

While comparing Bastnasite and Spinel 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 Spinel chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Spinel- MgAl₂O₄

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Bastnasite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.