Julgoldite-(Fe3+)
The ferric-iron member of the julgoldite pumpellyite series — a sorosilicate cousin of epidote.
Intro adapted from Wikipedia (CC BY-SA).
Julgoldite-(Fe3+) is an IMA-recognized mineral species in the silicate class, with the chemical formula Ca₂Fe³⁺Fe³⁺₂(Si₂O₇)(SiO₄)O(OH)·H₂O.
It crystallizes in the monoclinic crystal system (space group A2/m). It is a member of the Pumpellyite structural group.
IMA symbol Jul-Fe3+, IMA status: approved, named in 1971.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data and a Wikipedia introduction — a full written entry hasn’t been published yet.
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