Bytownite

Image

Modified marquise cut anorthite (var. bytownite) specimen from Idaho, USA

© Unknown photographer, via Smithsonian National Museum of Natural History

Properties

Formula (Ca,Na)(Si,Al)4O8
Classification Plagioclase
Luminescence emitter Fe
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Crystal symmetry Triclinic, Point group 1, Space group P1 (#2)
Tags Variety, Aluminosilicate

Composition

Element Atoms
O 8
Na ~0.2
Ca ~0.8
Al ~1.8
Si ~2.2

References

Reference
Lines Spectra Images
Telfer & Walker 1978 2 0 0
Torpy et al. 2020 0 1 0