Nickeline and Feldspar Physical Properties

Nickeline

Feldspar

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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 Available2.56-2.75

1 7.18

1.5 Fracture

Conchoidal, Uneven

Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

two or three

1.7 Mohs Hardness

5-5.56-6.5

2 10

1.8 Chemical Composition

Not Available

Nickeline and Feldspar Chemical Formula

While comparing Nickeline and Feldspar 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 Feldspar chemical formula.

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Nickeline and Feldspar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nickeline and Feldspar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nickeline and Feldspar Optical Properties during the identification of gemstone. Specific gravity of Nickeline is 2.56-2.75 whereas that of Feldspar is 2.56-2.75.