Oil Painting Tip 8:
If, as the paint on your palette dries it forms a lot of
abstract oil paintings, too much oil (medium) has been added.
Oil Painting Tip 9:
If you're not sure whether a bottle of mineral or white spirits is suitable for
oil paintings, put a tiny quantity on a piece of paper and let it evaporate. If it evaporates without leaving any residue, stain, or smell, it should be fine.