Paint made from oak leaves and scrap iron

Working on holiday card ideas

#coordinationpolymers #irontannate #tannicacid #iron #paint #pigment #suspension #bunnies #acorns #oaktrees

#prettypictures #SEMples #fibers #fabrics #cyanotype #prussianblue #denim #cotton #tannicacid #iron #rust #coordinationcomplex #structuralcolor