https://www.fossilera.com/minerals/4-gleaming-pyrite-crystals-with-quartz-peru 0.2 monthly https://assets0.fossilera.com/sp/866854/peru/pyrite-quartz-sphalerite.jpg 4" Gleaming Pyrite Crystals with Quartz - Peru https://www.fossilera.com/minerals/2-2-green-and-tan-botryoidal-grape-agate-indonesia 0.2 monthly https://assets0.fossilera.com/sp/866908/grape-agate/quartz-var-chalcedony.jpg 2.2" Green and Tan Botryoidal Grape Agate - Indonesia