Afwillite

Image

1.03 mm group of Afwillite crystals. Collection Domenico Preite photo Matteo Chinellato. From Campomorto Quarry, Pietra Massa Locality, Montalto di Castro, Viterbo Province, Latium, Italy

© (C) 2010 Matteo Chinellato (via Wikimedia Commons). CC-BY-SA-3.0

Properties

Formula Ca3[SiO3(OH)]2·2H2O
Abbreviation Afw
Classifications Minerals containing H2O, Minerals containing OH
Luminescence emitter H2O
IMA Status Grandfathered (pre-IMA), 1925
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Crystal symmetry Monoclinic
Tags Hydroxide , Mineral, Silicate , Hydrated

Composition

Element Atoms
H 6
Si 2
Ca 3
O 10
Total: 21

Reference

Reference
Lines Spectra Images
Ryskin 1974 7 0 0