Assertion: chalcedony | /r/HasProperty | gray
Facets:
value: commonly
type: DEGREE
Source sentences:
text: It is commonly gray, white, brown, red, yellow, orange and black, but it can occur in any color.
text: Chalcedony is the cryptocrystalline variety of quartz that is usually pale blue or grey, uniform in tint, but some varieties of which have vari-coloured internal bands or markings.
text: It is commonly gray, white, brown, red, yellow, orange and black, but it can occur in any color.