About: http://webisa.webdatacommons.org/297518630

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	These minerals mainly occur in dark porous silica below the adit and in both walls, but particularly in the south wall.
http://www.w3.org/ns/prov#wasQuotedFrom	mindat.org