pirita octaédrica

background beauty brassyellow bright brown bunch chemical closeup colored colors copper crystals decoration decorative design detail fools formula gemstone geode geology gold golden green hence iron jewelry light luster macro metallic mineral minerals natural nature nickname octahedral pale pattern pirita polished precious purple pyrite quartz reflections resemblance rock semiprecious shine shiny smooth stone stones structure sulfide superficial texture textured turquoise wellknown white yellow