Sentence Examples

  • Other copper minerals are percylite (PbCuC1 2 (OH) 2), boleite (3PbCuC1 2 (OH) 2j AgCI), stromeyerite {(Cu, Ag) 2 S}, cubanite (CuS, Fe 2 S 3), stannite (Cu 2 S, FeSnS3), tennantite (3Cu 2 S, As2S3), emplectite (Cu 2 S, Bi 2 S 3), wolfsbergite (Cu 2 S, Sb2S3), famatinite (3Cu 2 S, Sb 2 S 5) and enargite (3Cu2S, As2S5).
  • The leading silver minerals are native silver; argentite or silver glance, Ag 2 S, usually containing small amounts of lead, copper and tin; dyscrasite or antimonial silver, Ag 2 Sb to Ag,3Sb, an isomorphous mixture of silver and antimony; proustite or light red silver ore, Ag 3 AsS 3; pyrargyrite or dark red silver ore, Ag 3 SbS 3; stephanite, Ag 5 SbS 4; miargyrite, AgSbS2; stromeyerite, CuAgS; polybasite, 9(Cu 2 S,Ag 2 S) (Sb 2 S 3, As 2 S 3); cerargyrite or horn silver, AgCI; bromite or bromargyrite, AgBr; embolite, Ag(C1,Br); iodite or iodargyrite, AgI.