Assertion: metal's appearance | /r/HasProperty | shiny
Facets:
value: always
type: DEGREE
value: except for copper
type: OTHER
Source sentences:
text: A 'non-corroded' metal's appearance is always 'shiny' (usually silvery, except for copper and gold)
text: They have a characteristic metallic appearance known as luster or shine.
text: All metals have a shiny appearance (at least when freshly polished); are good conductors of heat and electricity; form alloys with other metals; and have at least one basic oxide.
text: The appearance of metalloids can be either dull or shiny.
text: Metals have a shiny appearance.
text: Metals have a shiny appearance or luster
text: Some metals form a barrier layer of oxide on their surface which cannot be penetrated by further oxygen molecules and thus retain their shiny appearance and good conductivity for many decades (like aluminium, some steels, and titanium).