Assertion: zircon | /r/HasProperty | hard
Facets:
value: physically
type: MANNER
value: due to zircon's brittle tenacity
type: CAUSE
value: because of its high density
type: CAUSE
value: relatively
type: DEGREE
value: mostly
type: DEGREE
Source sentences:
text: Although zircon is commonly set and worn in rings, mostly because it is considered to be relatively hard as well as durable, due to zircon's brittle tenacity, zircon stones often wear down over time, especially along facet edges.
text: Fourth, zircon is physically tough and easily separated from crushed rock samples because of its high density.
text: Rutile, ilmenite, zircon, garnet, magnetite, diamond and monazite are all hard minerals that are resistant to weathering.
text: Zircon is a hard and tough material as it maintains its physical and chemical composition when subjected to high temperatures and corrosive environments.
text: Zircons are one of the toughest minerals on the planet.
text: Zircon is hard but brittle and can fracture or chip along faceted edges.