closeup view of pentlandita and chalcopyrite mineral specimens a detailed macro photography exploration of metallic

crystallography identification chalcopyrite pentlandita exploration captivating distinctive coppertoned educational photograph meticulous formations displaying bronzelike geological collection striations inclusions scientific mineralogy specimens showcases intricate structure processes resources education materials detailed metallic textures minerals presents patterns closeup mineral reveals crystal vibrant sulfide appears geology imagery science beauty detail unique colors luster golden yellow facets shadow visual appeal nature