Carbon smoke soot. This black works especially well for fresco, for which it is primarily used, but is entirely suitable for all techniques. Very lightfast.
Carbon from animal bones calcified in a vase, rather than ivory tusks as was in the past. A warm, intense black that turns brownish when mixed with white. Very good lightfastness...
Titanium dioxide. Iridescent pigments undergo surface treatment with mica ; their level of iridescence varies according to the mica content. As a result of reflections and light...
