Assertion: pyrite | /r/HasProperty | soluble
Facets:
value: in melts
type: LOCATION
value: in nitric acid
type: OTHER
Source sentences:
text: There is, of course, no difficulty in distinguishing between the two minerals, since pyrite contains sulphur and is soluble in nitric acid, while gold contains no sulphur and is insoluble in all simple acids.
text: Pyrite is soluble in melts that contain sodium sulphide, as demonstrated during the desulphurisation of iron by soda ash and sodium silicates.