Assertion: pastel's pigment | /r/HasProperty | pure powdered
Facets:
Source sentences:
text: It is made of pure powdered pigment and a 'binder' which holds it together.
text: Pastel is an art medium in the form of a stick, consisting of pure powdered pigment and a binder.
text: Pastel is a painting medium in the form of a stick, consisting of pure powdered pigment and a binder.