Nepheline and Eosphorite Physical Properties

Nepheline

Eosphorite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.55-2.653.05-3.08

1 7.18

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Fracture

Subconchoidal, Conchoidal

Subconchoidal, Uneven, Conchoidal

Cleavage

[1010] Poor

Poor on {100}

Mohs Hardness

5-65

2 10

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Chemical Composition

Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Nepheline and Eosphorite Chemical Formula

While comparing Nepheline and Eosphorite 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 Nepheline and Eosphorite chemical formula.

Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Red Gemstones

Nepheline Vs Realgar

Nepheline Vs Rhodizite

Nepheline Vs Rhodolite

Nepheline and Eosphorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Eosphorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Eosphorite Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 3.05-3.08 whereas that of Eosphorite is 3.05-3.08.