next color I hope to make available for sale soon- Jurassic Limestone Yellow from the hills of the Swabian Alb, southwest Germany at the Danube river this pigment is a ferric clay, containing limonite, the hydrated iron oxide. Embedded into the clay you can find small brown balls of iron ore. A pigment made from those will be available also, I hope. In most cases I mull and grind the pigments on a granite plate from the gardening section of the hardware store. The mulling stone I use is a hard stone with one flat side I found on a field last year. Probably glacial origin. #swabianalb #handmadewatercolors #watercolorjourney #schwaebischealb #limestone #limestoneyellow #ironoxide #earthpigments #limonite #yellowochre #ironore #lehmgelb #makingofwatercolors https://www.instagram.com/p/CHOwWsrH3QV/?igshid=1d3sgoh5qbx3s