Oligoclase [ (Na,Ca)(Si,Al)4O8 ]

Image of Oligoclase

Material properties

Formula (Na,Ca)(Si,Al)4O8
Classification Plagioclase
Luminescence emitters Eu, Fe, Mn, Triplet-singlet
Search other databases webmineral.com, mindat.org, rruf.info, fluomin.org, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags Variety, Aluminosilicate

Composition

Element Atoms
O 8
Ca 0.2
Al 1.2
Si 2.8
Na 0.8
Total: 13

References for Oligoclase

Reference
Lines Spectra Images
Tarashchan 1978 4 0 0
Telfer & Walker 1978, luminescence 2 0 0
Telfer & Walker 1978, luminescence, other 8 0 0
Torpy et al. 2020 0 1 0

Specimens of Oligoclase

Name Owner Materials Phase purity Image Spectra Techniques
M1289 Oligoclase CSIRO Microcline, Muscovite-2M1, Oligoclase (97.6%) 97.6 0 —
MT8503 Oligoclase CSIRO Muscovite-2M1, Oligoclase (96.1%), Quartz 96.1 0 —
MES107 Oligoclase / Lazurite CSIRO Lazurite, Oligoclase (77.7%) 77.7 0 —
Tista 2020 D4 Shaker CSIRO Albite, Allanite-(Ce), Amphibole, Andesine, Apatite, Augite, Biotite, Bytownite, Chlorite, Mg, Fe, Epidote, Garnet, Grossular, Ilmenite, Ilmenite, Mn, K feldspar, Kyanite, Monazite-(Ce), Muscovite, Oligoclase, Pyroxene, Quartz, Staurolite, Titanite, Titanohematite, Xenotime-(Y), Zircon, Zoisite — 46 CL, EDS