polished alaskan diamond hawkeye pebble

semiprecious mineral gem stone jewel precious geodes pebble shingle beach boulder nodule oval rounded round rotund brushed faceted polished burnished bright shiny shining glossy cabochon tiger's eye tiger-eye quartz silica crocidolite cat's-eye goethite lepidocrocite eye stone hawkeye hematite haematite ocher dimorph magnetite angidroferrit alaskan diamond iron kidney steel rose micaceous hematite cream anatase peephole slr ore red ore ocher bloodstone sanguinius specular black almazb glass head marty titanogematit alyumogematit hydrohematite black