Assertion: pure quartz | /r/Synonym | clear quartz
Facets:
value: traditionally
type: OTHER
value: sometimes
type: TEMPORAL
Source sentences:
text: Pure quartz, traditionally called rock crystal (sometimes called clear quartz), is colorless and transparent or translucent.
text: Pure quartz is clear and colorless.
text: Pure quartz, traditionally called rock crystal or clear quartz, is colorless and transparent or translucent, and has often been used for hardstone carvings, such as the Lothair Crystal.