Assertion: ink's pigment | /r/HasProperty | produced
Facets:
value: from organic derivatives of coal tar
type: OTHER
value: from either mineral sources
type: LOCATION
Source sentences:
text: Pigments can be black pigments (consisting primarily of various types of Carbon Black), white pigments (which are either opaque pigments or transparent pigments), and color pigments which can be produced from either mineral sources (the inorganic color pigments) or from organic derivatives of coal tar (the organic color pigments).