Nickeline and Peridot Physical Properties

Nickeline

Peridot

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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 Available1.54-1.55

1 7.18

1.5 Fracture

Conchoidal, Uneven

Conchoidal

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

Poor

1.7 Mohs Hardness

5-5.56.5-7

2 10

1.8 Chemical Composition

Not Available

(Mg,Fe)₂SiO₄

Nickeline and Peridot Chemical Formula

While comparing Nickeline and Peridot 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 Peridot chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄

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Nickeline and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nickeline and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nickeline and Peridot Optical Properties during the identification of gemstone. Specific gravity of Nickeline is 1.54-1.55 whereas that of Peridot is 1.54-1.55.