OttawaRocks:
Giant geode from India filled with stilbite and apophyllite.
OttawaRocks:
Fluorite on muscovite from Pakistan
OttawaRocks:
Schalenblende ore from Poland (galena, sphalerite, barite, marcasite), sliced and polished
OttawaRocks:
Chrysocolla after azurite, Ray Mine, in the U of Arizona museum