Nickeline and Grandidierite Physical Properties

Nickeline

Grandidierite

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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 Available2.85-3.00

1 7.18

1.5 Fracture

Conchoidal, Uneven

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

Perfect

1.7 Mohs Hardness

5-5.57.5

2 10

1.8 Chemical Composition

Not Available

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Nickeline and Grandidierite Chemical Formula

While comparing Nickeline and Grandidierite 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 Grandidierite chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

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Nickeline and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nickeline and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nickeline and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Nickeline is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.