PreviousNext CAL3669 - CALCITE on SPHALERITE $300.00 Locality Elmwood Mine; Central Tennessee Ba-F-Pb-Zn District; Smith County, Tennessee, USA Dimensions 96mm x 71mm x 53mm Specimen is dominated by a very light yellow transparent to translucent twinned scalenohedral calcite crystal measuring 79 x 52 x 27 mm, associated with a crystalline cluster of dark amber-black sphalerite crystals, individually to 16 mm across. Clean of damage, except for peripheral contacting around the sides and back where the specimen was removed from the mine.