Bastnasite and Turquoise Physical Properties

Bastnasite

Turquoise

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.95-5.02.30-2.90

1 7.18

1.5 Fracture

Uneven

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

Good to perfect_usually N/A

1.7 Mohs Hardness

4-55-6

2 10

1.8 Chemical Composition

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

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Bastnasite and Turquoise Chemical Formula

While comparing Bastnasite and Turquoise 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 Turquoise chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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Bastnasite and Turquoise Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.