Nacre and Carnelian Physical Properties

Nacre

Carnelian

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.58-2.64

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

Absent

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

Not Available

SiO₂

Nacre and Carnelian Chemical Formula

While comparing Nacre and Carnelian 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 Nacre and Carnelian chemical formula.

Chemical formula of Carnelian- SiO₂

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Nacre and Carnelian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nacre and Carnelian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nacre and Carnelian Optical Properties during the identification of gemstone. Specific gravity of Nacre is 2.58-2.64 whereas that of Carnelian is 2.58-2.64.