It’s the season for tie-dyeing:

Oak leaves and acorns for brown
Iron acetate and goethite for the yellow
And the two combined for the black

#coordinationpolymers
#naturaldyes

Paint made from oak leaves and scrap iron

Working on holiday card ideas

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