Carnelian and Turquoise Physical Properties

Carnelian

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

2.58-2.64

2.30-2.90

1.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Absent

Good to perfect_usually N/A

1.7 Mohs Hardness

6.5-7

5-6

1.8 Chemical Composition

SiO₂

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Carnelian and Turquoise Chemical Formula

While comparing Carnelian 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 Carnelian and Turquoise chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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Carnelian Vs Quartz

Carnelian Vs Kunzite

Carnelian Vs Prasiolite

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Carnelian and Turquoise Specific Gravity

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