Small balls of this rare mica, occurring in a weird assemblage with beryl, sellaite pyrite and topaz (all a bit obscure in this photo). Found by Andrew Tuma. ID by XRD and SEM-EDAX (R. Bottrill). From: Slaughteryard face, Mount Bischoff mine, Waratah, Waratah district, Waratah-Wynyard municipality, Tasmania, Australia. — Photo: Ralph Bottrill · CC BY 3.0
Ferroaluminoceladonite
Ferroaluminoceladonite is an IMA-recognized mineral species in the silicate class, with the chemical formula KFe²⁺AlSi₄O₁₀(OH)₂.
It crystallizes in the monoclinic crystal system (space group C2/m). It is a member of the Mica structural group.
IMA symbol Facel, IMA status: approved, named in 1995.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
Browse more F minerals or help write this entry.