Calcite on Quartz      Dal'negorsk, Kavalerovo Mining District, Primorskiy Kray, Far-Eastern Region, Russia.  A transparent 3 plus cm calcite on a bed of quartz with an unknown brown colored mineral.  Only one small quartz is missing so it is in nice condition for a piece this size (12 x 9 x 3.8 cm).  Back is partially crystallized too.  $80