Home
Gemstones


Nepheline and Ettringite Physical Properties


Ettringite and Nepheline Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Partially soluble in water   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.65   
1.77   

Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   
Not Available   

Cleavage
[1010] Poor   
Perfect on {10 1 0}   

Mohs Hardness
5-6   
2-2.5   

Chemical Composition
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.   
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
<< Astrology

Nepheline and Ettringite Chemical Formula

While comparing Nepheline and Ettringite 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 Ettringite chemical formula.

Compare Red Gemstones

Nepheline and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 1.77 whereas that of Ettringite is 1.77.

Red Gemstones

Red Gemstones


Compare Red Gemstones