Erythrite
Kurase mine, Saijo City, Ehime Prefecture, Japan
Related photo of Photo No.535247.
Filmy pale pink minerals are on crack of host rock (mainly, quartz with coarse grain).
I identified visually these minerals as Erythrite.
Near the pink minerals, there are very fine grain of sulfide, but I can't clarify whether these are Cobaltite or not.
© Hiroaki TANO