Nickeline and Carnelian Physical Properties

Nickeline

Carnelian

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1 Physical Properties

1.1 Tenacity

Brittle

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

Conchoidal, Uneven

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

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

Absent

1.7 Mohs Hardness

5-5.56.5-7

2 10

1.8 Chemical Composition

Not Available

SiO₂

Nickeline and Carnelian Chemical Formula

While comparing Nickeline 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 Nickeline and Carnelian chemical formula.

Chemical formula of Carnelian- SiO₂

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Nickeline and Carnelian Specific Gravity

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