Bastnasite and Quartz Physical Properties

Bastnasite

Quartz

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.95-5.02.65

1 7.18

1.5 Fracture

Uneven

Conchoidal, Conchoidal, Brittle, Gems

1.6 Cleavage

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

{0110} Indistinct

1.7 Mohs Hardness

4-57

2 10

1.8 Chemical Composition

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

SiO₂

Bastnasite and Quartz Chemical Formula

While comparing Bastnasite and Quartz 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 Quartz chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Quartz- SiO₂

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Bastnasite and Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Quartz Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 2.65 whereas that of Quartz is 2.65.