.so the pastels that I used on those drawings below are actually from Roussillon in Provence, France.
.They are called the Ochre Cliffs and when I visited there a while back it is amazing how much color you can see in the cliffs - purples, yellows, greens and even blue. As it turns out, the color is caused by the mineral goethite. I always needed/wanted to know that!.
.Another interesting fact: Roussillon used to be at the bottom of the sea.

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