Plagioclase [ (Na,Ca)[(Si,Al)AlSi2]O8 ]

Images of Plagioclase

Material properties

Formula (Na,Ca)[(Si,Al)AlSi2]O8
Abbreviation Pl
IMA Status Approved group
Crystal symmetry Triclinic
Classification Feldspar (group)
Members Oligoclase, Bytownite, Andesine, Albite, Anorthite, Labradorite, Albite (var. Ca)
Variants synthetic, lunar
Luminescence emitters Ce, Cr, Cu, Fe, Mn, SiO4, Ti, Triplet-singlet?, Unspecified
Reflectance lines Si-O, Unspecified
Spectra Luminescence (5)
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags Aluminosilicate, Subgroup, Synthetic

Composition

Element Atoms
O 8
Na 0-1
Ca 0-1
Al 1-2
Si 2-3

References for Plagioclase

Reference
Lines Spectra Images
Bakhtin 1985 2 0 0
Kuznetsov and Tarashchan 1988 2 0 0
Laukamp et al. 2021 2 0 0
Mariano et al. 1973 6 0 0
CSIRO/WUStL Apollo 12 (2019) 2 1 0
Sippel & Spencer 1970b 1 0 0
CSIRO spectra 2015 (Noril'sk-Kharelakh), luminescence 2 1 0
CSIRO spectra 2015 (Noril'sk-Kharelakh), luminescence, other 0 2 0
Tarashchan 1978 3 0 0
Torpy et al. 2020, luminescence 0 2 1
Torpy et al. 2020, luminescence, other 0 2 0
CSIRO spectra 2015 (Cox's Bazar) 0 1 0
White 1974 1 0 0

Specimens of Plagioclase

Name Owner Materials Image Spectra Techniques
Apollo 12032-366-19x NASA Alkali feldspar (var. lunar), Apatite (var. lunar), Baddeleyite (var. lunar), Fayalite (var. lunar), Hedenbergite (var. lunar), Ilmenite (var. lunar), Merrillite (var. lunar), Plagioclase (var. lunar), Silica (var. lunar), Troilite (var. lunar), Zirconolite (var. lunar) 6 CL
KH-2 CSIRO Amphibole, Apatite, Augite, Biotite, Calcite, Chalcopyrite, Chlorapatite, Enstatite, Forsterite, Ilmenite, Magnetite, Pentlandite, Plagioclase, Pyrite, Pyroxene, Pyrrhotite 26 CL, EDS
Tista 2020 D4 Zircon conc CSIRO Albite, Apatite, Biotite, Florencite-(Ce), Ilmenite, K feldspar, Kyanite, Monazite-(Ce), Muscovite, Plagioclase, Quartz, Rutile, Scheelite, Titanite, Zircon, Zoisite 27 CL, EDS