Chrome-Chalcedony and Turquoise Physical Properties

Chrome-Chalcedony

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

2.55-2.702.30-2.90

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

Good to perfect_usually N/A

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Chrome-Chalcedony and Turquoise Chemical Formula

While comparing Chrome-Chalcedony 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 Chrome-Chalcedony and Turquoise chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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Chrome-Chalcedony and Turquoise Specific Gravity

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