|Drawing Techniques: a Guide|
|Dry Media: White Chalk|
highlights could be added to red or black chalk drawings, either with calcite
(calcium carbonate, or common blackboard chalk), or soapstone (steatite).
This was especially effective against blue or buff paper.
has rarely been used by itself as a drawing material, except by a few
artists working on dark or black paper for a striking, even grotesque,
|François du Quesnoy. Study Sheet. Art Market.|