Fedorite

Image

Fibrous foliated, violet Charoite aggregation with black radiating Aegirine (Aegirine suns") and orange Fedorite crystals, from Vostochnyi Mine, Murun-Massif, Yakutia, Russia

© © Raimond Spekking / CC BY-SA 4.0 (via Wikimedia Commons)

Properties

Formula (K,Na)2.5(Ca,Na)7Si16O38(OH,F)2·3.5H2O
Abbreviation Fdr
Luminescence emitters Eu, Fe, Mn
IMA Status Approved (IMA 1967 s.p.)
Search other databases webmineral.com, mindat.org, rruf.info, fluomin.org, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags Hydroxide , Mineral, Silicate , Hydrated

Composition

Element Atoms
H ~8
Na ~4.75
K ~1.25
Ca ~3.5
Si 16
O ~42.5
F ~1

Reference

Reference Lines Spectra Images
Yarovoy 1996 4 0 0