Nepheline
| Use attributes for filter ! | |
| Optical properties | Uniaxial (-) |
|---|---|
| Crystal system | Hexagon |
| Crystal habit | Massive granular to prismatic |
| Formula mass | 146. 08 g/mol |
| Crystal class | H-M Symbol |
| Space group | P63 |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1078100 |
About Nepheline
Nepheline, also called nephelite, is a feldspathoid: a silica-undersaturated aluminosilicate, Na₃KAl₄Si₄O₁₆, that occurs in intrusive and volcanic rocks with low silica, and in their associated pegmatites.
Nepheline Photos
