Assertion: chalcedony | /r/HasAspect | waxy lustre
Facets:
Source sentences:
text: Chalcedony has a waxy lustre, and may be semitransparent or translucent.
text: Chalcedony has a waxy lustre, is usually translucent and can be found in white, grey, blue or brown although it can exhibit many other colours due to the presence of different minerals.