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Linarite
Linarite

Nepheline
Nepheline



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Linarite
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Nepheline

Linarite and Nepheline Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

5.352.55-2.65
1 7.18
👆🏻

Fracture

Conchoidal
Subconchoidal, Conchoidal

Cleavage

Perfect on {100}, imperfect on {001}
[1010] Poor

Mohs Hardness

2.55-6
2 10
👆🏻

Chemical Composition

PbCu(SO 4)(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Linarite and Nepheline Chemical Formula

While comparing Linarite and Nepheline 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 Linarite and Nepheline chemical formula.

  • Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Linarite and Nepheline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Linarite and Nepheline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Linarite and Nepheline Optical Properties during the identification of gemstone. Specific gravity of Linarite is 2.55-2.65 whereas that of Nepheline is 2.55-2.65.