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Ulexite
Ulexite

Nepheline
Nepheline



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Ulexite
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Nepheline

Ulexite and Nepheline Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.65-1.99
Uneven
{010} Perfect, {110} Perfect
2-2.5
NaCaB 5O 6(OH) 6 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
 
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-
-
2.55-2.65
Subconchoidal, Conchoidal
[1010] Poor
5-6
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Ulexite and Nepheline Chemical Formula

While comparing Ulexite 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 Ulexite and Nepheline chemical formula.

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Ulexite and Nepheline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ulexite and Nepheline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ulexite Vs Nepheline during the identification of gemstone. Specific gravity of Ulexite is whereas that of Nepheline is .