Nepheline and Cassiterite Physical Properties

Nepheline

Cassiterite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.656.86-7.03

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular

1.6 Cleavage

[1010] Poor

{100} imperfect, {110} indistinct; partings on {111} or {011}

1.7 Mohs Hardness

5-66-7

2 10

1.8 Chemical Composition

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

SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Nepheline and Cassiterite Chemical Formula

While comparing Nepheline and Cassiterite 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 Cassiterite chemical formula.

Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Nepheline and Cassiterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Cassiterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Cassiterite Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 6.86-7.03 whereas that of Cassiterite is 6.86-7.03.