Definition of Nepheline. Meaning of Nepheline. Synonyms of Nepheline

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Definition of Nepheline

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Meaning of Nepheline from wikipedia

- Nepheline, also called nephelite (from Ancient Gr**** νεφέλη (nephélē) 'cloud'), is a rock-forming mineral in the feldspathoid group – a silica-undersaturated...
- Nepheline syenite is a holocrystalline plutonic rock that consists largely of nepheline and alkali feldspar. The rocks are mostly pale colored, grey or...
- with <5% normative quartz Nepheline syenite – Holocrystalline plutonic rock – A silica-undersaturated plutonic rock of nepheline and alkali feldspar Nephelinite –...
- Kishangarh, 14% of the po****tion is under 6 years of age. Kishangarh Nepheline Syenite is among the 32 National Geological Monuments in India notified...
- Nepheline-bearing gabbro is an intrusive rock with a composition intermediate between gabbro and nepheline gabbro. It is defined in the QAPF classification...
- produce feldspars. In some cases, they may take other forms, such as nepheline, leucite, and muscovite, but in the great majority of instances they are...
- melt is produced, forming a nepheline syenite, where orthoclase is replaced by a feldspathoid such as leucite, nepheline or analcime. Conversely in certain...
- Nepheline-bearing diorite is an intrusive rock with a composition intermediate between diorite and nepheline diorite. It is defined in the QAPF classification...
- syenite with significant nepheline present can be termed a nepheline-bearing syenite or nepheline syenite, with the term nepheline replaceable by any foid...
- igneous rock. It is a co****-grained, foliated variety of nepheline syenite, sometimes called nepheline syenite gneiss or gneissic nepeheline syenite. Litchfieldite...