Turquoise and Bastnasite Physical Properties

Turquoise

Bastnasite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.904.95-5.0

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven

1.6 Cleavage

Good to perfect_usually N/A

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

1.7 Mohs Hardness

5-64-5

2 10

1.8 Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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

Turquoise and Bastnasite Chemical Formula

While comparing Turquoise 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 Turquoise and Bastnasite chemical formula.

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

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Turquoise and Bastnasite Specific Gravity

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