siderophyllite

siderophyllite

[‚sid·ə·rə′fil‚īt]
(mineralogy)
An iron-rich variety of biotite.
References in periodicals archive ?
As typical for biotites from peraluminous granites (de Albuquerque 1973, Speer 1987, Villaseca and Barbero 1994), they show a high Mn content and also a high siderophyllite component (Fig.
Mineralogists of the 19th century were much more successful in the description of new layer hydrosilicates: allophane, amesite, antigorite, aspidolite, batavite, biotite /a series name/, celadonite, chamosite, chrysotile /a series name/, clinochlore, corundophyllite, cronstedtite, delessite, diabantite, ephesite, glauconite /a series name/, halloysite, kaolinite, muscovite, nacrite /a polytype/, nontronite, palygorskite, paragonite, penninite /or pennine/, phengite /a series name/, phlogopite, polylithionite, pyrophyllite, ripidolite, roscoelite, saponite, sauconite, sepiolite, serpentine, siderophyllite, stevensite, tainiolite, thuringite, vermiculite /trioctahedral and dioctahedral, distinguished in the 20th century/, volkonskoite, zinnwaldite /a series name/.