polished alaskan diamond haematite 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 obsidian volcanic glass tar oil volcanic rock set clinker lava basalt coal charcoal carbon hematite haematite ocher dimorph magnetite angidroferrit alaskan diamond iron kidney steel rose micaceous cream anatase peephole slr ore red ore ocher bloodstone sanguinius specular black almazb glass head marty titanogematit alyumogematit hydrohematite black