AM_Laphamite
Formula: As2.08 Se2.28 S.64
Name: Laphamite
Unit cell: 11.891 9.742 4.274 90.0 90.03 90.0 , V=495.11
Space group: P121/N1 (14)

Bindi L , Bonazzi P , Spry P G , The Canadian Mineralogist , 46 (2008) p.269-274, Effects of sulfur-for-selenium substitution on the structure of laphamite, As2(Se,S)3, Locality: Western Middle Anthracite field, Northumberland County, Pennsylvania, Sample: LAP1