Nickeline and Pleonaste Physical Properties

Nickeline

Pleonaste

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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 Available3.80

1 7.18

1.5 Fracture

Conchoidal, Uneven

Not Available

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

Not Available

1.7 Mohs Hardness

5-5.58

2 10

1.8 Chemical Composition

Not Available

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Nickeline and Pleonaste Chemical Formula

While comparing Nickeline and Pleonaste 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 Pleonaste chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

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Nickeline and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nickeline and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nickeline and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Nickeline is 3.80 whereas that of Pleonaste is 3.80.