Periclase and Turquoise Physical Properties

Periclase

Turquoise

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.92.30-2.90

1 7.18

1.5 Fracture

Conchoidal, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{001} perfect; {111} imperfect, may exhibit parting on , {011}

Good to perfect_usually N/A

1.7 Mohs Hardness

5.5-65-6

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Periclase and Turquoise Chemical Formula

While comparing Periclase 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 Periclase and Turquoise chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Compare Gems Found In Australia

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Periclase Vs Sapphire

Periclase and Turquoise Specific Gravity

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