Forsterite [ Mg2SiO4 ]

Images of Forsterite

Material properties

Formulas (Mg,FeII)2SiO4, (Mg,FeII,MnII)2SiO4, Mg2SiO4
Abbreviation Fo
IMA Status Grandfathered (pre-IMA), 1824
Classifications Minerals containing SiO4, Olivine, Forsterite-Fayalite (series)
Variants Fe, meteoritic, Fe, Mn
Related materials Poirierite, Wadsleyite
Luminescence emitters Cr, Lattice defect, Mn, Ni, Unknown
Spectra Luminescence (1)
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags Mineral, Silicate

Composition

Element Atoms
Si 1
O 4
Mg 2
Total: 7

References for Forsterite

Reference
Lines Spectra Images
Benstock et al. 1997 11 0 0
Moore & Karakus 1994 5 0 0
CSIRO CL spectra 2016 0 1 1
CSIRO spectra 2015 (Noril'sk-Kharelakh) 0 1 0
Tarashchan 1978 2 0 0
Walker et al. 1994 2 0 0

Specimens of Forsterite

Name Owner Materials Phase purity Image Spectra Techniques
126 Olivine CSIRO Enstatite, Forsterite (var. Fe) (80.0%), Olivine, Quartz 80.0 0 —
M1367 Olivine (Forsterite) CSIRO Enstatite, Forsterite (var. Fe) (72.4%), Olivine 72.4 0 —
M1316 Olivine CSIRO Diopside, Enstatite, Forsterite (var. Fe) (67.0%), Olivine, Quartz 67.0 0 —
M1623 Forsterite / Enstatite CSIRO Diopside, Enstatite, Forsterite (var. Fe) (66.6%), Iddingsite 66.6 0 —
M1322 Olivine CSIRO Enstatite, Forsterite (var. Fe) (65.2%), Olivine 65.2 0 —
M0834 Ankerite CSIRO Albite (var. Ca), Ankerite, Augite, Forsterite (var. Fe) (11.7%), Ilmenite, Montmorillonite, Sanidine 11.7 0 —
KH-2 CSIRO Amphibole, Apatite, Augite, Biotite, Calcite, Chalcopyrite, Chlorapatite, Enstatite, Forsterite, Ilmenite, Magnetite, Pentlandite, Plagioclase, Pyrite, Pyroxene, Pyrrhotite — 26 CL, EDS