Assertion: tourmaline's property | /r/HasProperty | discovered by pierre curie
Facets:
value: in about 1890
type: TEMPORAL
Source sentences:
text: As for the electric properties possessed by the tourmaline, there have been known only the properties of piezoelectricity discovered by Jacques and Pierre Curie in about 1890 and pyroelectricity discovered thereafter.
text: As for the electric properties possessed by the tourmaline, there have been known only the properties of piezoelectricity discovered by Jacques and Pierre Curie in about 1890 and pyroelectricity discovered thereafter.
text: As for the electric properties possessed by the tourmaline, there have been known only the properties of piezoelectricity discovered by Jacques and Pierre Curie in about 1890 and pyroelectricity discovered thereafter.