Sinnerite Makovicky E, Skinner B J American Mineralogist 60 (1975) 998-1012 Studies of the sulfosalts of copper. IV. Structure and twinning of sinnerite, Cu6As4S9 _database_code_amcsd 0000475 9.064 9.830 9.078 90.00 109.50 107.80 P1 atom x y z As1 .123 .012 .061 As2 .318 .180 .401 As3 .874 .014 .259 As4 .156 .827 .348 As5 .451 .594 .510 As6 .663 .789 .868 As7 .233 .590 .714 As8 .545 .432 .835 Cu1 .962 .623 .943 Cu2 .426 .788 .099 Cu3 .569 .178 .146 Cu4 .307 .415 .068 Cu5 .838 .210 .960 Cu6 .915 .822 .614 Cu7 .356 .984 .749 Cu8 .069 .213 .665 Cu9 .032 .375 .347 Cu10 .795 .386 .564 Cu11 .598 .966 .494 Cu12 .720 .602 .185 S2 .332 .191 .681 S3 .833 .994 .536 S4 .186 .777 .603 S6 .653 .826 .104 S7 .222 .597 .940 S8 .539 .401 .096 S9 .997 .584 .237 S10 .426 .797 .338 S11 .588 .165 .428 S12 .260 .416 .342 S13 .831 .184 .174 S14 .903 .824 .864 S15 .376 .969 .982 S16 .014 .169 .881 S17 .028 .385 .615 S18 .796 .385 .872 S19 .582 .959 .719 S20 .722 .595 .480