Ferriakasakaite-(La), Ferriandrosite-(La)

Specimen ID: E2T-2KF

Mineral(s)
Ferriakasakaite-(La) : CaLaFe3+AlMn2+(Si2O7)(SiO4)O(OH)
Ferriandrosite-(La) : MnLaFe3+AlMn2+(Si2O7)(SiO4)O(OH)
Locality
Mindat locality:
Events

Photo added to mindat.org

Ferriakasakaite-(La) and ferriandrosite-(La) crystal. These two minerals are visually indistinguishable, and are also identical in appearance as vanadoallanite-(La). In fact, ferriakasakaite-(La) and ferriandorosite-(La) were identified during an attempt to identify more vanadoallanite-(La) for further studies. All three minerals are found in the same rhodochrosite/tephroite veins in a ferromanganian ore. The photo is from the type material and is taken by Dr. Daisuke Nishio-Hamane, one of the co-authors of the species. The photographer has given permission to upload the image to Mindat.
Olav Revheim - 2nd September 2015

Mindat.org Photo of the Day

Olav Revheim - 17th November 2016
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