Assertion: chalcedony | /r/HasProperty | cryptocrystalline quartz
Facets:
Source sentences:
text: Chalcedony is cryptocrystalline quartz.
text: Chalcedony is a Cryptocrystalline Quartz, specifically a silicone dioxide, composed of Quartz and Moganite.
text: Quartz commonly forms a crust of crystals on the inside of geodes in addition to the layers of chalcedony (cryptocrystalline quartz) in this cut section.
text: chalcedony (cryptocrystalline quartz) which is bluish in color –