Assertion: germanium's property | /r/HasProperty | unusual
Facets:
value: for a metal
type: OTHER
Source sentences:
text: Germanium has unusual properties when exposed to different light: namely, it is opaque in visible light, but transparent in infrared light.
text: It has some properties that are unusual for a metal; taken together, these are sometimes used as a basis to classify aluminium as a metalloid.