Iridescent Pyrite on Calcite from Kazakhstan TF2230 showroom and some specimens show subtle

and some specimens show subtle color zoning that enhances their visual depth

except for one small point of contact under the siderite cluster

Small needle quartz has formed on top of this mass of sphalerite

This specimen is in incredible condition

Iridescent Pyrite on Calcite from Kazakhstan TF2230 showroom and some specimens show subtleIridescent Pyrite on Calcite from Kazakhstan Approx. Dimensions: 3. 5x3x2 inches Approx. Weight: 195 grams Locality: Sokolovskoe Iron Mine, Kostanay Province, Kazakhstan This is a unique specimen we acquired out of a very small parcel of specimens from a gentleman that collected them in Kazakhstan. It features very brightly colored iridescent pyrite coating fluorescent calcite.